Home / 71,600.40-107,145.45-62,342.10

Finding the Fourth Proportional to 71,600.40, 107,145.45 and 62,342.10

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Solution

The fourth proportional to 71,600.40, 107,145.45 and 62,342.10 is: 93,290.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,600.40 : 107,145.45 = 62,342.10 : x
  2. Step 2: Convert to fraction form
    71,600.40/107,145.45 = 62,342.10/x
  3. Step 3: Cross multiply
    71,600.40x = 107,145.45 × 62,342.10
  4. Step 4: Simplify right side
    71,600.40x = 6,679,672,358.45
  5. Step 5: Solve for x
    x = 6,679,672,358.45/71,600.40
  6. Step 6: Final answer
    x = 93,290.99

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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.