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Finding the Fourth Proportional to 63,947.70, 88,277.54 and 45,562.66

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Solution

The fourth proportional to 63,947.70, 88,277.54 and 45,562.66 is: 62,897.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,947.70 : 88,277.54 = 45,562.66 : x
  2. Step 2: Convert to fraction form
    63,947.70/88,277.54 = 45,562.66/x
  3. Step 3: Cross multiply
    63,947.70x = 88,277.54 × 45,562.66
  4. Step 4: Simplify right side
    63,947.70x = 4,022,159,540.66
  5. Step 5: Solve for x
    x = 4,022,159,540.66/63,947.70
  6. Step 6: Final answer
    x = 62,897.64

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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.