Home / 70,457.28-97,237.18-38,632.38

Finding the Fourth Proportional to 70,457.28, 97,237.18 and 38,632.38

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Solution

The fourth proportional to 70,457.28, 97,237.18 and 38,632.38 is: 53,316.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,457.28 : 97,237.18 = 38,632.38 : x
  2. Step 2: Convert to fraction form
    70,457.28/97,237.18 = 38,632.38/x
  3. Step 3: Cross multiply
    70,457.28x = 97,237.18 × 38,632.38
  4. Step 4: Simplify right side
    70,457.28x = 3,756,503,687.89
  5. Step 5: Solve for x
    x = 3,756,503,687.89/70,457.28
  6. Step 6: Final answer
    x = 53,316.05

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.