Home / 99,496.69-137,306.38-57,047.02

Finding the Fourth Proportional to 99,496.69, 137,306.38 and 57,047.02

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Solution

The fourth proportional to 99,496.69, 137,306.38 and 57,047.02 is: 78,725.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,496.69 : 137,306.38 = 57,047.02 : x
  2. Step 2: Convert to fraction form
    99,496.69/137,306.38 = 57,047.02/x
  3. Step 3: Cross multiply
    99,496.69x = 137,306.38 × 57,047.02
  4. Step 4: Simplify right side
    99,496.69x = 7,832,919,805.99
  5. Step 5: Solve for x
    x = 7,832,919,805.99/99,496.69
  6. Step 6: Final answer
    x = 78,725.43

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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.