Home / 91,074.27-136,578.57-38,487.84

Finding the Fourth Proportional to 91,074.27, 136,578.57 and 38,487.84

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Solution

The fourth proportional to 91,074.27, 136,578.57 and 38,487.84 is: 57,717.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,074.27 : 136,578.57 = 38,487.84 : x
  2. Step 2: Convert to fraction form
    91,074.27/136,578.57 = 38,487.84/x
  3. Step 3: Cross multiply
    91,074.27x = 136,578.57 × 38,487.84
  4. Step 4: Simplify right side
    91,074.27x = 5,256,614,149.59
  5. Step 5: Solve for x
    x = 5,256,614,149.59/91,074.27
  6. Step 6: Final answer
    x = 57,717.88

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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.