Home / 91,500.35-137,196.27-28,301.76

Finding the Fourth Proportional to 91,500.35, 137,196.27 and 28,301.76

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Solution

The fourth proportional to 91,500.35, 137,196.27 and 28,301.76 is: 42,435.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,500.35 : 137,196.27 = 28,301.76 : x
  2. Step 2: Convert to fraction form
    91,500.35/137,196.27 = 28,301.76/x
  3. Step 3: Cross multiply
    91,500.35x = 137,196.27 × 28,301.76
  4. Step 4: Simplify right side
    91,500.35x = 3,882,895,906.44
  5. Step 5: Solve for x
    x = 3,882,895,906.44/91,500.35
  6. Step 6: Final answer
    x = 42,435.86

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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.