Home / 125,787.60-188,677.20-37,042.68

Finding the Fourth Proportional to 125,787.60, 188,677.20 and 37,042.68

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Solution

The fourth proportional to 125,787.60, 188,677.20 and 37,042.68 is: 55,562.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,787.60 : 188,677.20 = 37,042.68 : x
  2. Step 2: Convert to fraction form
    125,787.60/188,677.20 = 37,042.68/x
  3. Step 3: Cross multiply
    125,787.60x = 188,677.20 × 37,042.68
  4. Step 4: Simplify right side
    125,787.60x = 6,989,109,142.90
  5. Step 5: Solve for x
    x = 6,989,109,142.90/125,787.60
  6. Step 6: Final answer
    x = 55,562.78

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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.