Home / 90,718.65-125,182.17-50,425.88

Finding the Fourth Proportional to 90,718.65, 125,182.17 and 50,425.88

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Solution

The fourth proportional to 90,718.65, 125,182.17 and 50,425.88 is: 69,582.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,718.65 : 125,182.17 = 50,425.88 : x
  2. Step 2: Convert to fraction form
    90,718.65/125,182.17 = 50,425.88/x
  3. Step 3: Cross multiply
    90,718.65x = 125,182.17 × 50,425.88
  4. Step 4: Simplify right side
    90,718.65x = 6,312,420,456.65
  5. Step 5: Solve for x
    x = 6,312,420,456.65/90,718.65
  6. Step 6: Final answer
    x = 69,582.39

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1.5x scale

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.