Home / 99,514.58-137,330.24-54,192.65

Finding the Fourth Proportional to 99,514.58, 137,330.24 and 54,192.65

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Solution

The fourth proportional to 99,514.58, 137,330.24 and 54,192.65 is: 74,785.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,514.58 : 137,330.24 = 54,192.65 : x
  2. Step 2: Convert to fraction form
    99,514.58/137,330.24 = 54,192.65/x
  3. Step 3: Cross multiply
    99,514.58x = 137,330.24 × 54,192.65
  4. Step 4: Simplify right side
    99,514.58x = 7,442,288,673.12
  5. Step 5: Solve for x
    x = 7,442,288,673.12/99,514.58
  6. Step 6: Final answer
    x = 74,785.92

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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.