Home / 95,108.18-142,657.37-31,928.78

Finding the Fourth Proportional to 95,108.18, 142,657.37 and 31,928.78

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Solution

The fourth proportional to 95,108.18, 142,657.37 and 31,928.78 is: 47,891.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,108.18 : 142,657.37 = 31,928.78 : x
  2. Step 2: Convert to fraction form
    95,108.18/142,657.37 = 31,928.78/x
  3. Step 3: Cross multiply
    95,108.18x = 142,657.37 × 31,928.78
  4. Step 4: Simplify right side
    95,108.18x = 4,554,876,098.84
  5. Step 5: Solve for x
    x = 4,554,876,098.84/95,108.18
  6. Step 6: Final answer
    x = 47,891.53

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1.5x scale

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.