Home / 95,519.20-131,808.72-57,287.20

Finding the Fourth Proportional to 95,519.20, 131,808.72 and 57,287.20

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Solution

The fourth proportional to 95,519.20, 131,808.72 and 57,287.20 is: 79,051.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,519.20 : 131,808.72 = 57,287.20 : x
  2. Step 2: Convert to fraction form
    95,519.20/131,808.72 = 57,287.20/x
  3. Step 3: Cross multiply
    95,519.20x = 131,808.72 × 57,287.20
  4. Step 4: Simplify right side
    95,519.20x = 7,550,952,504.38
  5. Step 5: Solve for x
    x = 7,550,952,504.38/95,519.20
  6. Step 6: Final answer
    x = 79,051.67

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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.