Home / 99,462.33-137,260.85-54,143.24

Finding the Fourth Proportional to 99,462.33, 137,260.85 and 54,143.24

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Solution

The fourth proportional to 99,462.33, 137,260.85 and 54,143.24 is: 74,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,462.33 : 137,260.85 = 54,143.24 : x
  2. Step 2: Convert to fraction form
    99,462.33/137,260.85 = 54,143.24/x
  3. Step 3: Cross multiply
    99,462.33x = 137,260.85 × 54,143.24
  4. Step 4: Simplify right side
    99,462.33x = 7,431,746,187.13
  5. Step 5: Solve for x
    x = 7,431,746,187.13/99,462.33
  6. Step 6: Final answer
    x = 74,719.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.