Home / 95,490.32-131,788.79-57,764.84

Finding the Fourth Proportional to 95,490.32, 131,788.79 and 57,764.84

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Solution

The fourth proportional to 95,490.32, 131,788.79 and 57,764.84 is: 79,722.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,490.32 : 131,788.79 = 57,764.84 : x
  2. Step 2: Convert to fraction form
    95,490.32/131,788.79 = 57,764.84/x
  3. Step 3: Cross multiply
    95,490.32x = 131,788.79 × 57,764.84
  4. Step 4: Simplify right side
    95,490.32x = 7,612,757,420.38
  5. Step 5: Solve for x
    x = 7,612,757,420.38/95,490.32
  6. Step 6: Final answer
    x = 79,722.82

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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.