Home / 75,162.12-112,756.13-25,247.01

Finding the Fourth Proportional to 75,162.12, 112,756.13 and 25,247.01

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Solution

The fourth proportional to 75,162.12, 112,756.13 and 25,247.01 is: 37,874.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,162.12 : 112,756.13 = 25,247.01 : x
  2. Step 2: Convert to fraction form
    75,162.12/112,756.13 = 25,247.01/x
  3. Step 3: Cross multiply
    75,162.12x = 112,756.13 × 25,247.01
  4. Step 4: Simplify right side
    75,162.12x = 2,846,755,141.67
  5. Step 5: Solve for x
    x = 2,846,755,141.67/75,162.12
  6. Step 6: Final answer
    x = 37,874.86

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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.