Home / 40,123.97-60,186.25-10,541.75

Finding the Fourth Proportional to 40,123.97, 60,186.25 and 10,541.75

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Solution

The fourth proportional to 40,123.97, 60,186.25 and 10,541.75 is: 15,812.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,123.97 : 60,186.25 = 10,541.75 : x
  2. Step 2: Convert to fraction form
    40,123.97/60,186.25 = 10,541.75/x
  3. Step 3: Cross multiply
    40,123.97x = 60,186.25 × 10,541.75
  4. Step 4: Simplify right side
    40,123.97x = 634,468,073.65
  5. Step 5: Solve for x
    x = 634,468,073.65/40,123.97
  6. Step 6: Final answer
    x = 15,812.70

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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.