Home / 83,417.40-115,116.24-45,691.68

Finding the Fourth Proportional to 83,417.40, 115,116.24 and 45,691.68

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Solution

The fourth proportional to 83,417.40, 115,116.24 and 45,691.68 is: 63,054.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,417.40 : 115,116.24 = 45,691.68 : x
  2. Step 2: Convert to fraction form
    83,417.40/115,116.24 = 45,691.68/x
  3. Step 3: Cross multiply
    83,417.40x = 115,116.24 × 45,691.68
  4. Step 4: Simplify right side
    83,417.40x = 5,259,854,400.88
  5. Step 5: Solve for x
    x = 5,259,854,400.88/83,417.40
  6. Step 6: Final answer
    x = 63,054.64

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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.