Home / 71,606.25-107,382.36-57,531.69

Finding the Fourth Proportional to 71,606.25, 107,382.36 and 57,531.69

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Solution

The fourth proportional to 71,606.25, 107,382.36 and 57,531.69 is: 86,275.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,606.25 : 107,382.36 = 57,531.69 : x
  2. Step 2: Convert to fraction form
    71,606.25/107,382.36 = 57,531.69/x
  3. Step 3: Cross multiply
    71,606.25x = 107,382.36 × 57,531.69
  4. Step 4: Simplify right side
    71,606.25x = 6,177,888,646.99
  5. Step 5: Solve for x
    x = 6,177,888,646.99/71,606.25
  6. Step 6: Final answer
    x = 86,275.83

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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.