Home / 113,213.50-169,821.56-49,156.88

Finding the Fourth Proportional to 113,213.50, 169,821.56 and 49,156.88

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Solution

The fourth proportional to 113,213.50, 169,821.56 and 49,156.88 is: 73,735.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,213.50 : 169,821.56 = 49,156.88 : x
  2. Step 2: Convert to fraction form
    113,213.50/169,821.56 = 49,156.88/x
  3. Step 3: Cross multiply
    113,213.50x = 169,821.56 × 49,156.88
  4. Step 4: Simplify right side
    113,213.50x = 8,347,897,320.12
  5. Step 5: Solve for x
    x = 8,347,897,320.12/113,213.50
  6. Step 6: Final answer
    x = 73,735.88

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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.