Home / 92,580.30-138,765.44-42,557.04

Finding the Fourth Proportional to 92,580.30, 138,765.44 and 42,557.04

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Solution

The fourth proportional to 92,580.30, 138,765.44 and 42,557.04 is: 63,787.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,580.30 : 138,765.44 = 42,557.04 : x
  2. Step 2: Convert to fraction form
    92,580.30/138,765.44 = 42,557.04/x
  3. Step 3: Cross multiply
    92,580.30x = 138,765.44 × 42,557.04
  4. Step 4: Simplify right side
    92,580.30x = 5,905,446,380.70
  5. Step 5: Solve for x
    x = 5,905,446,380.70/92,580.30
  6. Step 6: Final answer
    x = 63,787.29

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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.