Home / 91,718.32-126,515.10-60,673.18

Finding the Fourth Proportional to 91,718.32, 126,515.10 and 60,673.18

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Solution

The fourth proportional to 91,718.32, 126,515.10 and 60,673.18 is: 83,691.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,718.32 : 126,515.10 = 60,673.18 : x
  2. Step 2: Convert to fraction form
    91,718.32/126,515.10 = 60,673.18/x
  3. Step 3: Cross multiply
    91,718.32x = 126,515.10 × 60,673.18
  4. Step 4: Simplify right side
    91,718.32x = 7,676,073,435.02
  5. Step 5: Solve for x
    x = 7,676,073,435.02/91,718.32
  6. Step 6: Final answer
    x = 83,691.82

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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.