Home / 95,473.08-131,788.26-81,990.18

Finding the Fourth Proportional to 95,473.08, 131,788.26 and 81,990.18

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Solution

The fourth proportional to 95,473.08, 131,788.26 and 81,990.18 is: 113,176.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,473.08 : 131,788.26 = 81,990.18 : x
  2. Step 2: Convert to fraction form
    95,473.08/131,788.26 = 81,990.18/x
  3. Step 3: Cross multiply
    95,473.08x = 131,788.26 × 81,990.18
  4. Step 4: Simplify right side
    95,473.08x = 10,805,343,159.29
  5. Step 5: Solve for x
    x = 10,805,343,159.29/95,473.08
  6. Step 6: Final answer
    x = 113,176.86

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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.