Home / 70,754.28-97,641.12-38,925.18

Finding the Fourth Proportional to 70,754.28, 97,641.12 and 38,925.18

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Solution

The fourth proportional to 70,754.28, 97,641.12 and 38,925.18 is: 53,716.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,754.28 : 97,641.12 = 38,925.18 : x
  2. Step 2: Convert to fraction form
    70,754.28/97,641.12 = 38,925.18/x
  3. Step 3: Cross multiply
    70,754.28x = 97,641.12 × 38,925.18
  4. Step 4: Simplify right side
    70,754.28x = 3,800,698,171.40
  5. Step 5: Solve for x
    x = 3,800,698,171.40/70,754.28
  6. Step 6: Final answer
    x = 53,716.87

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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.