Home / 83,449.20-124,429.44-74,176.32

Finding the Fourth Proportional to 83,449.20, 124,429.44 and 74,176.32

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Solution

The fourth proportional to 83,449.20, 124,429.44 and 74,176.32 is: 110,602.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,449.20 : 124,429.44 = 74,176.32 : x
  2. Step 2: Convert to fraction form
    83,449.20/124,429.44 = 74,176.32/x
  3. Step 3: Cross multiply
    83,449.20x = 124,429.44 × 74,176.32
  4. Step 4: Simplify right side
    83,449.20x = 9,229,717,958.86
  5. Step 5: Solve for x
    x = 9,229,717,958.86/83,449.20
  6. Step 6: Final answer
    x = 110,602.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.