Home / 70,428.16-97,191.17-38,162.85

Finding the Fourth Proportional to 70,428.16, 97,191.17 and 38,162.85

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Solution

The fourth proportional to 70,428.16, 97,191.17 and 38,162.85 is: 52,664.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,428.16 : 97,191.17 = 38,162.85 : x
  2. Step 2: Convert to fraction form
    70,428.16/97,191.17 = 38,162.85/x
  3. Step 3: Cross multiply
    70,428.16x = 97,191.17 × 38,162.85
  4. Step 4: Simplify right side
    70,428.16x = 3,709,092,042.03
  5. Step 5: Solve for x
    x = 3,709,092,042.03/70,428.16
  6. Step 6: Final answer
    x = 52,664.90

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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.