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Finding the Fourth Proportional to 62,213.32, 85,801.50 and 52,570

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Solution

The fourth proportional to 62,213.32, 85,801.50 and 52,570 is: 72,501.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,213.32 : 85,801.50 = 52,570 : x
  2. Step 2: Convert to fraction form
    62,213.32/85,801.50 = 52,570/x
  3. Step 3: Cross multiply
    62,213.32x = 85,801.50 × 52,570
  4. Step 4: Simplify right side
    62,213.32x = 4,510,584,855
  5. Step 5: Solve for x
    x = 4,510,584,855/62,213.32
  6. Step 6: Final answer
    x = 72,501.92

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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.