Home / 75,313.28-112,891.10-25,376.12

Finding the Fourth Proportional to 75,313.28, 112,891.10 and 25,376.12

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Solution

The fourth proportional to 75,313.28, 112,891.10 and 25,376.12 is: 38,037.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,313.28 : 112,891.10 = 25,376.12 : x
  2. Step 2: Convert to fraction form
    75,313.28/112,891.10 = 25,376.12/x
  3. Step 3: Cross multiply
    75,313.28x = 112,891.10 × 25,376.12
  4. Step 4: Simplify right side
    75,313.28x = 2,864,737,409.20
  5. Step 5: Solve for x
    x = 2,864,737,409.20/75,313.28
  6. Step 6: Final answer
    x = 38,037.62

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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.