Home / 83,090.80-124,494.39-45,682.20

Finding the Fourth Proportional to 83,090.80, 124,494.39 and 45,682.20

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Solution

The fourth proportional to 83,090.80, 124,494.39 and 45,682.20 is: 68,445.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,090.80 : 124,494.39 = 45,682.20 : x
  2. Step 2: Convert to fraction form
    83,090.80/124,494.39 = 45,682.20/x
  3. Step 3: Cross multiply
    83,090.80x = 124,494.39 × 45,682.20
  4. Step 4: Simplify right side
    83,090.80x = 5,687,177,622.86
  5. Step 5: Solve for x
    x = 5,687,177,622.86/83,090.80
  6. Step 6: Final answer
    x = 68,445.33

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1.5x scale

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.