Home / 79,934.16-119,887.80-29,322.72

Finding the Fourth Proportional to 79,934.16, 119,887.80 and 29,322.72

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Solution

The fourth proportional to 79,934.16, 119,887.80 and 29,322.72 is: 43,979.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,934.16 : 119,887.80 = 29,322.72 : x
  2. Step 2: Convert to fraction form
    79,934.16/119,887.80 = 29,322.72/x
  3. Step 3: Cross multiply
    79,934.16x = 119,887.80 × 29,322.72
  4. Step 4: Simplify right side
    79,934.16x = 3,515,436,390.82
  5. Step 5: Solve for x
    x = 3,515,436,390.82/79,934.16
  6. Step 6: Final answer
    x = 43,979.15

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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.