Home / 83,739.20-115,560.23-45,498.92

Finding the Fourth Proportional to 83,739.20, 115,560.23 and 45,498.92

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Solution

The fourth proportional to 83,739.20, 115,560.23 and 45,498.92 is: 62,788.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,739.20 : 115,560.23 = 45,498.92 : x
  2. Step 2: Convert to fraction form
    83,739.20/115,560.23 = 45,498.92/x
  3. Step 3: Cross multiply
    83,739.20x = 115,560.23 × 45,498.92
  4. Step 4: Simplify right side
    83,739.20x = 5,257,864,854.66
  5. Step 5: Solve for x
    x = 5,257,864,854.66/83,739.20
  6. Step 6: Final answer
    x = 62,788.58

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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.