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Finding the Fourth Proportional to 62,136, 85,747.86 and 33,841.71

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Solution

The fourth proportional to 62,136, 85,747.86 and 33,841.71 is: 46,701.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,136 : 85,747.86 = 33,841.71 : x
  2. Step 2: Convert to fraction form
    62,136/85,747.86 = 33,841.71/x
  3. Step 3: Cross multiply
    62,136x = 85,747.86 × 33,841.71
  4. Step 4: Simplify right side
    62,136x = 2,901,854,211.24
  5. Step 5: Solve for x
    x = 2,901,854,211.24/62,136
  6. Step 6: Final answer
    x = 46,701.66

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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.