Home / 95,156.70-131,314.23-54,870.30

Finding the Fourth Proportional to 95,156.70, 131,314.23 and 54,870.30

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Solution

The fourth proportional to 95,156.70, 131,314.23 and 54,870.30 is: 75,719.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,156.70 : 131,314.23 = 54,870.30 : x
  2. Step 2: Convert to fraction form
    95,156.70/131,314.23 = 54,870.30/x
  3. Step 3: Cross multiply
    95,156.70x = 131,314.23 × 54,870.30
  4. Step 4: Simplify right side
    95,156.70x = 7,205,251,194.37
  5. Step 5: Solve for x
    x = 7,205,251,194.37/95,156.70
  6. Step 6: Final answer
    x = 75,719.85

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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.