Home / 45,419.20-67,999.20-44,123.20

Finding the Fourth Proportional to 45,419.20, 67,999.20 and 44,123.20

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Solution

The fourth proportional to 45,419.20, 67,999.20 and 44,123.20 is: 66,058.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,419.20 : 67,999.20 = 44,123.20 : x
  2. Step 2: Convert to fraction form
    45,419.20/67,999.20 = 44,123.20/x
  3. Step 3: Cross multiply
    45,419.20x = 67,999.20 × 44,123.20
  4. Step 4: Simplify right side
    45,419.20x = 3,000,342,301.44
  5. Step 5: Solve for x
    x = 3,000,342,301.44/45,419.20
  6. Step 6: Final answer
    x = 66,058.90

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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.