Home / 62,720.82-93,909.06-40,479.12

Finding the Fourth Proportional to 62,720.82, 93,909.06 and 40,479.12

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Solution

The fourth proportional to 62,720.82, 93,909.06 and 40,479.12 is: 60,607.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,720.82 : 93,909.06 = 40,479.12 : x
  2. Step 2: Convert to fraction form
    62,720.82/93,909.06 = 40,479.12/x
  3. Step 3: Cross multiply
    62,720.82x = 93,909.06 × 40,479.12
  4. Step 4: Simplify right side
    62,720.82x = 3,801,356,108.83
  5. Step 5: Solve for x
    x = 3,801,356,108.83/62,720.82
  6. Step 6: Final answer
    x = 60,607.56

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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.