Home / 79,227.18-109,336.50-45,241.20

Finding the Fourth Proportional to 79,227.18, 109,336.50 and 45,241.20

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Solution

The fourth proportional to 79,227.18, 109,336.50 and 45,241.20 is: 62,434.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,227.18 : 109,336.50 = 45,241.20 : x
  2. Step 2: Convert to fraction form
    79,227.18/109,336.50 = 45,241.20/x
  3. Step 3: Cross multiply
    79,227.18x = 109,336.50 × 45,241.20
  4. Step 4: Simplify right side
    79,227.18x = 4,946,514,463.80
  5. Step 5: Solve for x
    x = 4,946,514,463.80/79,227.18
  6. Step 6: Final answer
    x = 62,434.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.