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Finding the Fourth Proportional to 88,446.60, 121,848.72 and 61,542.84

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Solution

The fourth proportional to 88,446.60, 121,848.72 and 61,542.84 is: 84,784.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,446.60 : 121,848.72 = 61,542.84 : x
  2. Step 2: Convert to fraction form
    88,446.60/121,848.72 = 61,542.84/x
  3. Step 3: Cross multiply
    88,446.60x = 121,848.72 × 61,542.84
  4. Step 4: Simplify right side
    88,446.60x = 7,498,916,279.16
  5. Step 5: Solve for x
    x = 7,498,916,279.16/88,446.60
  6. Step 6: Final answer
    x = 84,784.68

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.