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Finding the Fourth Proportional to 62,759.66, 86,603.46 and 34,466.90

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Solution

The fourth proportional to 62,759.66, 86,603.46 and 34,466.90 is: 47,561.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,759.66 : 86,603.46 = 34,466.90 : x
  2. Step 2: Convert to fraction form
    62,759.66/86,603.46 = 34,466.90/x
  3. Step 3: Cross multiply
    62,759.66x = 86,603.46 × 34,466.90
  4. Step 4: Simplify right side
    62,759.66x = 2,984,952,795.47
  5. Step 5: Solve for x
    x = 2,984,952,795.47/62,759.66
  6. Step 6: Final answer
    x = 47,561.65

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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.