Home / 99,484.24-137,279.88-57,033.04

Finding the Fourth Proportional to 99,484.24, 137,279.88 and 57,033.04

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Solution

The fourth proportional to 99,484.24, 137,279.88 and 57,033.04 is: 78,700.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,484.24 : 137,279.88 = 57,033.04 : x
  2. Step 2: Convert to fraction form
    99,484.24/137,279.88 = 57,033.04/x
  3. Step 3: Cross multiply
    99,484.24x = 137,279.88 × 57,033.04
  4. Step 4: Simplify right side
    99,484.24x = 7,829,488,887.24
  5. Step 5: Solve for x
    x = 7,829,488,887.24/99,484.24
  6. Step 6: Final answer
    x = 78,700.80

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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.