Home / 75,260.28-112,958.10-40,229.88

Finding the Fourth Proportional to 75,260.28, 112,958.10 and 40,229.88

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Solution

The fourth proportional to 75,260.28, 112,958.10 and 40,229.88 is: 60,381.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,260.28 : 112,958.10 = 40,229.88 : x
  2. Step 2: Convert to fraction form
    75,260.28/112,958.10 = 40,229.88/x
  3. Step 3: Cross multiply
    75,260.28x = 112,958.10 × 40,229.88
  4. Step 4: Simplify right side
    75,260.28x = 4,544,290,808.03
  5. Step 5: Solve for x
    x = 4,544,290,808.03/75,260.28
  6. Step 6: Final answer
    x = 60,381.00

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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.