Home / 96,868.20-133,672.98-54,424

Finding the Fourth Proportional to 96,868.20, 133,672.98 and 54,424

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Solution

The fourth proportional to 96,868.20, 133,672.98 and 54,424 is: 75,102.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,868.20 : 133,672.98 = 54,424 : x
  2. Step 2: Convert to fraction form
    96,868.20/133,672.98 = 54,424/x
  3. Step 3: Cross multiply
    96,868.20x = 133,672.98 × 54,424
  4. Step 4: Simplify right side
    96,868.20x = 7,275,018,263.52
  5. Step 5: Solve for x
    x = 7,275,018,263.52/96,868.20
  6. Step 6: Final answer
    x = 75,102.23

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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.