Home / 99,974.52-137,979.86-57,524.85

Finding the Fourth Proportional to 99,974.52, 137,979.86 and 57,524.85

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Solution

The fourth proportional to 99,974.52, 137,979.86 and 57,524.85 is: 79,392.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,974.52 : 137,979.86 = 57,524.85 : x
  2. Step 2: Convert to fraction form
    99,974.52/137,979.86 = 57,524.85/x
  3. Step 3: Cross multiply
    99,974.52x = 137,979.86 × 57,524.85
  4. Step 4: Simplify right side
    99,974.52x = 7,937,270,461.90
  5. Step 5: Solve for x
    x = 7,937,270,461.90/99,974.52
  6. Step 6: Final answer
    x = 79,392.93

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1.5x scale

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.