Home / 96,941.28-133,778.40-54,499.92

Finding the Fourth Proportional to 96,941.28, 133,778.40 and 54,499.92

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Solution

The fourth proportional to 96,941.28, 133,778.40 and 54,499.92 is: 75,209.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,941.28 : 133,778.40 = 54,499.92 : x
  2. Step 2: Convert to fraction form
    96,941.28/133,778.40 = 54,499.92/x
  3. Step 3: Cross multiply
    96,941.28x = 133,778.40 × 54,499.92
  4. Step 4: Simplify right side
    96,941.28x = 7,290,912,097.73
  5. Step 5: Solve for x
    x = 7,290,912,097.73/96,941.28
  6. Step 6: Final answer
    x = 75,209.57

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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.