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Finding the Fourth Proportional to 62,160.77, 85,781.87 and 33,866.46

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Solution

The fourth proportional to 62,160.77, 85,781.87 and 33,866.46 is: 46,735.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,160.77 : 85,781.87 = 33,866.46 : x
  2. Step 2: Convert to fraction form
    62,160.77/85,781.87 = 33,866.46/x
  3. Step 3: Cross multiply
    62,160.77x = 85,781.87 × 33,866.46
  4. Step 4: Simplify right side
    62,160.77x = 2,905,128,269.08
  5. Step 5: Solve for x
    x = 2,905,128,269.08/62,160.77
  6. Step 6: Final answer
    x = 46,735.72

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1.5x scale

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.