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Finding the Fourth Proportional to 95,357.98, 131,579.40 and 57,108.57

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Solution

The fourth proportional to 95,357.98, 131,579.40 and 57,108.57 is: 78,801.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,357.98 : 131,579.40 = 57,108.57 : x
  2. Step 2: Convert to fraction form
    95,357.98/131,579.40 = 57,108.57/x
  3. Step 3: Cross multiply
    95,357.98x = 131,579.40 × 57,108.57
  4. Step 4: Simplify right side
    95,357.98x = 7,514,311,375.46
  5. Step 5: Solve for x
    x = 7,514,311,375.46/95,357.98
  6. Step 6: Final answer
    x = 78,801.08

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1.5x scale

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.