Home / 70,385.62-97,132.18-38,555.04

Finding the Fourth Proportional to 70,385.62, 97,132.18 and 38,555.04

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Solution

The fourth proportional to 70,385.62, 97,132.18 and 38,555.04 is: 53,205.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,385.62 : 97,132.18 = 38,555.04 : x
  2. Step 2: Convert to fraction form
    70,385.62/97,132.18 = 38,555.04/x
  3. Step 3: Cross multiply
    70,385.62x = 97,132.18 × 38,555.04
  4. Step 4: Simplify right side
    70,385.62x = 3,744,935,085.19
  5. Step 5: Solve for x
    x = 3,744,935,085.19/70,385.62
  6. Step 6: Final answer
    x = 53,205.97

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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.