Home / 70,546.28-97,355.04-38,718.14

Finding the Fourth Proportional to 70,546.28, 97,355.04 and 38,718.14

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Solution

The fourth proportional to 70,546.28, 97,355.04 and 38,718.14 is: 53,431.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,546.28 : 97,355.04 = 38,718.14 : x
  2. Step 2: Convert to fraction form
    70,546.28/97,355.04 = 38,718.14/x
  3. Step 3: Cross multiply
    70,546.28x = 97,355.04 × 38,718.14
  4. Step 4: Simplify right side
    70,546.28x = 3,769,406,068.43
  5. Step 5: Solve for x
    x = 3,769,406,068.43/70,546.28
  6. Step 6: Final answer
    x = 53,431.68

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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.