Home / 79,320.88-109,480.41-62,059.18

Finding the Fourth Proportional to 79,320.88, 109,480.41 and 62,059.18

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Solution

The fourth proportional to 79,320.88, 109,480.41 and 62,059.18 is: 85,655.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,320.88 : 109,480.41 = 62,059.18 : x
  2. Step 2: Convert to fraction form
    79,320.88/109,480.41 = 62,059.18/x
  3. Step 3: Cross multiply
    79,320.88x = 109,480.41 × 62,059.18
  4. Step 4: Simplify right side
    79,320.88x = 6,794,264,470.66
  5. Step 5: Solve for x
    x = 6,794,264,470.66/79,320.88
  6. Step 6: Final answer
    x = 85,655.43

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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.