Home / 66,929.28-100,343.98-40,269.02

Finding the Fourth Proportional to 66,929.28, 100,343.98 and 40,269.02

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Solution

The fourth proportional to 66,929.28, 100,343.98 and 40,269.02 is: 60,373.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,929.28 : 100,343.98 = 40,269.02 : x
  2. Step 2: Convert to fraction form
    66,929.28/100,343.98 = 40,269.02/x
  3. Step 3: Cross multiply
    66,929.28x = 100,343.98 × 40,269.02
  4. Step 4: Simplify right side
    66,929.28x = 4,040,753,737.50
  5. Step 5: Solve for x
    x = 4,040,753,737.50/66,929.28
  6. Step 6: Final answer
    x = 60,373.48

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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.