Home / 75,085.74-112,757.22-66,671.16

Finding the Fourth Proportional to 75,085.74, 112,757.22 and 66,671.16

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Solution

The fourth proportional to 75,085.74, 112,757.22 and 66,671.16 is: 100,120.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,085.74 : 112,757.22 = 66,671.16 : x
  2. Step 2: Convert to fraction form
    75,085.74/112,757.22 = 66,671.16/x
  3. Step 3: Cross multiply
    75,085.74x = 112,757.22 × 66,671.16
  4. Step 4: Simplify right side
    75,085.74x = 7,517,654,655.78
  5. Step 5: Solve for x
    x = 7,517,654,655.78/75,085.74
  6. Step 6: Final answer
    x = 100,120.94

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1.5x scale

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.