Home / 79,534.20-109,757.42-45,543.20

Finding the Fourth Proportional to 79,534.20, 109,757.42 and 45,543.20

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Solution

The fourth proportional to 79,534.20, 109,757.42 and 45,543.20 is: 62,849.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,534.20 : 109,757.42 = 45,543.20 : x
  2. Step 2: Convert to fraction form
    79,534.20/109,757.42 = 45,543.20/x
  3. Step 3: Cross multiply
    79,534.20x = 109,757.42 × 45,543.20
  4. Step 4: Simplify right side
    79,534.20x = 4,998,704,130.54
  5. Step 5: Solve for x
    x = 4,998,704,130.54/79,534.20
  6. Step 6: Final answer
    x = 62,849.74

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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.