Home / 79,738.92-119,503.98-40,274.64

Finding the Fourth Proportional to 79,738.92, 119,503.98 and 40,274.64

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Solution

The fourth proportional to 79,738.92, 119,503.98 and 40,274.64 is: 60,359.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,738.92 : 119,503.98 = 40,274.64 : x
  2. Step 2: Convert to fraction form
    79,738.92/119,503.98 = 40,274.64/x
  3. Step 3: Cross multiply
    79,738.92x = 119,503.98 × 40,274.64
  4. Step 4: Simplify right side
    79,738.92x = 4,812,979,773.07
  5. Step 5: Solve for x
    x = 4,812,979,773.07/79,738.92
  6. Step 6: Final answer
    x = 60,359.23

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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.