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Finding the Fourth Proportional to 62,189.98, 85,735.22 and 52,591.32

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Solution

The fourth proportional to 62,189.98, 85,735.22 and 52,591.32 is: 72,502.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,189.98 : 85,735.22 = 52,591.32 : x
  2. Step 2: Convert to fraction form
    62,189.98/85,735.22 = 52,591.32/x
  3. Step 3: Cross multiply
    62,189.98x = 85,735.22 × 52,591.32
  4. Step 4: Simplify right side
    62,189.98x = 4,508,928,390.29
  5. Step 5: Solve for x
    x = 4,508,928,390.29/62,189.98
  6. Step 6: Final answer
    x = 72,502.49

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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.