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Finding the Fourth Proportional to 88,662.63, 122,337.68 and 52,855.97

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Solution

The fourth proportional to 88,662.63, 122,337.68 and 52,855.97 is: 72,931.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,662.63 : 122,337.68 = 52,855.97 : x
  2. Step 2: Convert to fraction form
    88,662.63/122,337.68 = 52,855.97/x
  3. Step 3: Cross multiply
    88,662.63x = 122,337.68 × 52,855.97
  4. Step 4: Simplify right side
    88,662.63x = 6,466,276,743.95
  5. Step 5: Solve for x
    x = 6,466,276,743.95/88,662.63
  6. Step 6: Final answer
    x = 72,931.25

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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.