Home / 120,534.17-180,835.11-44,631.56

Finding the Fourth Proportional to 120,534.17, 180,835.11 and 44,631.56

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Solution

The fourth proportional to 120,534.17, 180,835.11 and 44,631.56 is: 66,959.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,534.17 : 180,835.11 = 44,631.56 : x
  2. Step 2: Convert to fraction form
    120,534.17/180,835.11 = 44,631.56/x
  3. Step 3: Cross multiply
    120,534.17x = 180,835.11 × 44,631.56
  4. Step 4: Simplify right side
    120,534.17x = 8,070,952,838.91
  5. Step 5: Solve for x
    x = 8,070,952,838.91/120,534.17
  6. Step 6: Final answer
    x = 66,959.88

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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.