Home / 71,313.48-107,035.02-38,061.90

Finding the Fourth Proportional to 71,313.48, 107,035.02 and 38,061.90

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Solution

The fourth proportional to 71,313.48, 107,035.02 and 38,061.90 is: 57,127.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,313.48 : 107,035.02 = 38,061.90 : x
  2. Step 2: Convert to fraction form
    71,313.48/107,035.02 = 38,061.90/x
  3. Step 3: Cross multiply
    71,313.48x = 107,035.02 × 38,061.90
  4. Step 4: Simplify right side
    71,313.48x = 4,073,956,227.74
  5. Step 5: Solve for x
    x = 4,073,956,227.74/71,313.48
  6. Step 6: Final answer
    x = 57,127.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.