Home / 88,016.29-131,821.12-52,878.49

Finding the Fourth Proportional to 88,016.29, 131,821.12 and 52,878.49

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Solution

The fourth proportional to 88,016.29, 131,821.12 and 52,878.49 is: 79,195.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,016.29 : 131,821.12 = 52,878.49 : x
  2. Step 2: Convert to fraction form
    88,016.29/131,821.12 = 52,878.49/x
  3. Step 3: Cross multiply
    88,016.29x = 131,821.12 × 52,878.49
  4. Step 4: Simplify right side
    88,016.29x = 6,970,501,775.71
  5. Step 5: Solve for x
    x = 6,970,501,775.71/88,016.29
  6. Step 6: Final answer
    x = 79,195.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.