Home / 87,876.92-131,837.86-25,547.42

Finding the Fourth Proportional to 87,876.92, 131,837.86 and 25,547.42

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Solution

The fourth proportional to 87,876.92, 131,837.86 and 25,547.42 is: 38,327.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,876.92 : 131,837.86 = 25,547.42 : x
  2. Step 2: Convert to fraction form
    87,876.92/131,837.86 = 25,547.42/x
  3. Step 3: Cross multiply
    87,876.92x = 131,837.86 × 25,547.42
  4. Step 4: Simplify right side
    87,876.92x = 3,368,117,181.32
  5. Step 5: Solve for x
    x = 3,368,117,181.32/87,876.92
  6. Step 6: Final answer
    x = 38,327.67

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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.