Home / 96,881.45-133,700.36-54,439.88

Finding the Fourth Proportional to 96,881.45, 133,700.36 and 54,439.88

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Solution

The fourth proportional to 96,881.45, 133,700.36 and 54,439.88 is: 75,129.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,881.45 : 133,700.36 = 54,439.88 : x
  2. Step 2: Convert to fraction form
    96,881.45/133,700.36 = 54,439.88/x
  3. Step 3: Cross multiply
    96,881.45x = 133,700.36 × 54,439.88
  4. Step 4: Simplify right side
    96,881.45x = 7,278,630,613.66
  5. Step 5: Solve for x
    x = 7,278,630,613.66/96,881.45
  6. Step 6: Final answer
    x = 75,129.25

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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.