Home / 107,878.18-148,876.96-60,131.88

Finding the Fourth Proportional to 107,878.18, 148,876.96 and 60,131.88

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Solution

The fourth proportional to 107,878.18, 148,876.96 and 60,131.88 is: 82,984.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,878.18 : 148,876.96 = 60,131.88 : x
  2. Step 2: Convert to fraction form
    107,878.18/148,876.96 = 60,131.88/x
  3. Step 3: Cross multiply
    107,878.18x = 148,876.96 × 60,131.88
  4. Step 4: Simplify right side
    107,878.18x = 8,952,251,493.48
  5. Step 5: Solve for x
    x = 8,952,251,493.48/107,878.18
  6. Step 6: Final answer
    x = 82,984.82

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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.