Home / 96,931.98-133,778.18-54,490.55

Finding the Fourth Proportional to 96,931.98, 133,778.18 and 54,490.55

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Solution

The fourth proportional to 96,931.98, 133,778.18 and 54,490.55 is: 75,203.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,931.98 : 133,778.18 = 54,490.55 : x
  2. Step 2: Convert to fraction form
    96,931.98/133,778.18 = 54,490.55/x
  3. Step 3: Cross multiply
    96,931.98x = 133,778.18 × 54,490.55
  4. Step 4: Simplify right side
    96,931.98x = 7,289,646,073.53
  5. Step 5: Solve for x
    x = 7,289,646,073.53/96,931.98
  6. Step 6: Final answer
    x = 75,203.73

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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.