Home / 115,423.38-173,156.13-40,521.06

Finding the Fourth Proportional to 115,423.38, 173,156.13 and 40,521.06

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Solution

The fourth proportional to 115,423.38, 173,156.13 and 40,521.06 is: 60,788.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,423.38 : 173,156.13 = 40,521.06 : x
  2. Step 2: Convert to fraction form
    115,423.38/173,156.13 = 40,521.06/x
  3. Step 3: Cross multiply
    115,423.38x = 173,156.13 × 40,521.06
  4. Step 4: Simplify right side
    115,423.38x = 7,016,469,933.10
  5. Step 5: Solve for x
    x = 7,016,469,933.10/115,423.38
  6. Step 6: Final answer
    x = 60,788.98

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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.