Home / 88,931.60-133,354.20-49,446.80

Finding the Fourth Proportional to 88,931.60, 133,354.20 and 49,446.80

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Solution

The fourth proportional to 88,931.60, 133,354.20 and 49,446.80 is: 74,146.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,931.60 : 133,354.20 = 49,446.80 : x
  2. Step 2: Convert to fraction form
    88,931.60/133,354.20 = 49,446.80/x
  3. Step 3: Cross multiply
    88,931.60x = 133,354.20 × 49,446.80
  4. Step 4: Simplify right side
    88,931.60x = 6,593,938,456.56
  5. Step 5: Solve for x
    x = 6,593,938,456.56/88,931.60
  6. Step 6: Final answer
    x = 74,146.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.