Home / 87,250.52-130,870.57-31,087.65

Finding the Fourth Proportional to 87,250.52, 130,870.57 and 31,087.65

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Solution

The fourth proportional to 87,250.52, 130,870.57 and 31,087.65 is: 46,629.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,250.52 : 130,870.57 = 31,087.65 : x
  2. Step 2: Convert to fraction form
    87,250.52/130,870.57 = 31,087.65/x
  3. Step 3: Cross multiply
    87,250.52x = 130,870.57 × 31,087.65
  4. Step 4: Simplify right side
    87,250.52x = 4,068,458,946.80
  5. Step 5: Solve for x
    x = 4,068,458,946.80/87,250.52
  6. Step 6: Final answer
    x = 46,629.62

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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.