Home / 113,310.30-169,960.05-38,423.10

Finding the Fourth Proportional to 113,310.30, 169,960.05 and 38,423.10

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Solution

The fourth proportional to 113,310.30, 169,960.05 and 38,423.10 is: 57,632.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,310.30 : 169,960.05 = 38,423.10 : x
  2. Step 2: Convert to fraction form
    113,310.30/169,960.05 = 38,423.10/x
  3. Step 3: Cross multiply
    113,310.30x = 169,960.05 × 38,423.10
  4. Step 4: Simplify right side
    113,310.30x = 6,530,391,997.16
  5. Step 5: Solve for x
    x = 6,530,391,997.16/113,310.30
  6. Step 6: Final answer
    x = 57,632.82

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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.