Home / 107,878.89-148,877.91-60,132.59

Finding the Fourth Proportional to 107,878.89, 148,877.91 and 60,132.59

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Solution

The fourth proportional to 107,878.89, 148,877.91 and 60,132.59 is: 82,985.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,878.89 : 148,877.91 = 60,132.59 : x
  2. Step 2: Convert to fraction form
    107,878.89/148,877.91 = 60,132.59/x
  3. Step 3: Cross multiply
    107,878.89x = 148,877.91 × 60,132.59
  4. Step 4: Simplify right side
    107,878.89x = 8,952,413,577.70
  5. Step 5: Solve for x
    x = 8,952,413,577.70/107,878.89
  6. Step 6: Final answer
    x = 82,985.78

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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.