Home / 86,093.20-129,119.24-36,174.24

Finding the Fourth Proportional to 86,093.20, 129,119.24 and 36,174.24

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Solution

The fourth proportional to 86,093.20, 129,119.24 and 36,174.24 is: 54,252.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,093.20 : 129,119.24 = 36,174.24 : x
  2. Step 2: Convert to fraction form
    86,093.20/129,119.24 = 36,174.24/x
  3. Step 3: Cross multiply
    86,093.20x = 129,119.24 × 36,174.24
  4. Step 4: Simplify right side
    86,093.20x = 4,670,790,376.38
  5. Step 5: Solve for x
    x = 4,670,790,376.38/86,093.20
  6. Step 6: Final answer
    x = 54,252.72

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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.