Home / 83,379.24-115,063.38-45,655.88

Finding the Fourth Proportional to 83,379.24, 115,063.38 and 45,655.88

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Solution

The fourth proportional to 83,379.24, 115,063.38 and 45,655.88 is: 63,005.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,379.24 : 115,063.38 = 45,655.88 : x
  2. Step 2: Convert to fraction form
    83,379.24/115,063.38 = 45,655.88/x
  3. Step 3: Cross multiply
    83,379.24x = 115,063.38 × 45,655.88
  4. Step 4: Simplify right side
    83,379.24x = 5,253,319,869.67
  5. Step 5: Solve for x
    x = 5,253,319,869.67/83,379.24
  6. Step 6: Final answer
    x = 63,005.13

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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.