Home / 75,061.64-112,636.92-27,709.75

Finding the Fourth Proportional to 75,061.64, 112,636.92 and 27,709.75

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Solution

The fourth proportional to 75,061.64, 112,636.92 and 27,709.75 is: 41,581.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,061.64 : 112,636.92 = 27,709.75 : x
  2. Step 2: Convert to fraction form
    75,061.64/112,636.92 = 27,709.75/x
  3. Step 3: Cross multiply
    75,061.64x = 112,636.92 × 27,709.75
  4. Step 4: Simplify right side
    75,061.64x = 3,121,140,716.29
  5. Step 5: Solve for x
    x = 3,121,140,716.29/75,061.64
  6. Step 6: Final answer
    x = 41,581.04

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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.