Home / 91,513.20-137,320.56-44,766.48

Finding the Fourth Proportional to 91,513.20, 137,320.56 and 44,766.48

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Solution

The fourth proportional to 91,513.20, 137,320.56 and 44,766.48 is: 67,174.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,513.20 : 137,320.56 = 44,766.48 : x
  2. Step 2: Convert to fraction form
    91,513.20/137,320.56 = 44,766.48/x
  3. Step 3: Cross multiply
    91,513.20x = 137,320.56 × 44,766.48
  4. Step 4: Simplify right side
    91,513.20x = 6,147,358,102.83
  5. Step 5: Solve for x
    x = 6,147,358,102.83/91,513.20
  6. Step 6: Final answer
    x = 67,174.55

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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.