Home / 96,780.20-133,553.22-54,340.52

Finding the Fourth Proportional to 96,780.20, 133,553.22 and 54,340.52

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Solution

The fourth proportional to 96,780.20, 133,553.22 and 54,340.52 is: 74,987.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,780.20 : 133,553.22 = 54,340.52 : x
  2. Step 2: Convert to fraction form
    96,780.20/133,553.22 = 54,340.52/x
  3. Step 3: Cross multiply
    96,780.20x = 133,553.22 × 54,340.52
  4. Step 4: Simplify right side
    96,780.20x = 7,257,351,422.47
  5. Step 5: Solve for x
    x = 7,257,351,422.47/96,780.20
  6. Step 6: Final answer
    x = 74,987.98

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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.