Home / 96,375.50-133,012.18-55,531.68

Finding the Fourth Proportional to 96,375.50, 133,012.18 and 55,531.68

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Solution

The fourth proportional to 96,375.50, 133,012.18 and 55,531.68 is: 76,641.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,375.50 : 133,012.18 = 55,531.68 : x
  2. Step 2: Convert to fraction form
    96,375.50/133,012.18 = 55,531.68/x
  3. Step 3: Cross multiply
    96,375.50x = 133,012.18 × 55,531.68
  4. Step 4: Simplify right side
    96,375.50x = 7,386,389,815.86
  5. Step 5: Solve for x
    x = 7,386,389,815.86/96,375.50
  6. Step 6: Final answer
    x = 76,641.78

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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.