Home / 83,882.24-125,814.72-27,720.32

Finding the Fourth Proportional to 83,882.24, 125,814.72 and 27,720.32

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Solution

The fourth proportional to 83,882.24, 125,814.72 and 27,720.32 is: 41,577.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,882.24 : 125,814.72 = 27,720.32 : x
  2. Step 2: Convert to fraction form
    83,882.24/125,814.72 = 27,720.32/x
  3. Step 3: Cross multiply
    83,882.24x = 125,814.72 × 27,720.32
  4. Step 4: Simplify right side
    83,882.24x = 3,487,624,299.11
  5. Step 5: Solve for x
    x = 3,487,624,299.11/83,882.24
  6. Step 6: Final answer
    x = 41,577.62

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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.