Home / 79,024.64-109,073.25-66,257.55

Finding the Fourth Proportional to 79,024.64, 109,073.25 and 66,257.55

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Solution

The fourth proportional to 79,024.64, 109,073.25 and 66,257.55 is: 91,451.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,024.64 : 109,073.25 = 66,257.55 : x
  2. Step 2: Convert to fraction form
    79,024.64/109,073.25 = 66,257.55/x
  3. Step 3: Cross multiply
    79,024.64x = 109,073.25 × 66,257.55
  4. Step 4: Simplify right side
    79,024.64x = 7,226,926,315.54
  5. Step 5: Solve for x
    x = 7,226,926,315.54/79,024.64
  6. Step 6: Final answer
    x = 91,451.56

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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.