Home / 95,229.40-131,411.52-54,940.78

Finding the Fourth Proportional to 95,229.40, 131,411.52 and 54,940.78

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Solution

The fourth proportional to 95,229.40, 131,411.52 and 54,940.78 is: 75,815.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,229.40 : 131,411.52 = 54,940.78 : x
  2. Step 2: Convert to fraction form
    95,229.40/131,411.52 = 54,940.78/x
  3. Step 3: Cross multiply
    95,229.40x = 131,411.52 × 54,940.78
  4. Step 4: Simplify right side
    95,229.40x = 7,219,851,409.79
  5. Step 5: Solve for x
    x = 7,219,851,409.79/95,229.40
  6. Step 6: Final answer
    x = 75,815.36

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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.