Home / 95,078.32-131,166.88-57,331.60

Finding the Fourth Proportional to 95,078.32, 131,166.88 and 57,331.60

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Solution

The fourth proportional to 95,078.32, 131,166.88 and 57,331.60 is: 79,092.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,078.32 : 131,166.88 = 57,331.60 : x
  2. Step 2: Convert to fraction form
    95,078.32/131,166.88 = 57,331.60/x
  3. Step 3: Cross multiply
    95,078.32x = 131,166.88 × 57,331.60
  4. Step 4: Simplify right side
    95,078.32x = 7,520,007,097.41
  5. Step 5: Solve for x
    x = 7,520,007,097.41/95,078.32
  6. Step 6: Final answer
    x = 79,092.76

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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.