Home / 75,309.46-112,958.04-25,388.48

Finding the Fourth Proportional to 75,309.46, 112,958.04 and 25,388.48

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Solution

The fourth proportional to 75,309.46, 112,958.04 and 25,388.48 is: 38,080.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,309.46 : 112,958.04 = 25,388.48 : x
  2. Step 2: Convert to fraction form
    75,309.46/112,958.04 = 25,388.48/x
  3. Step 3: Cross multiply
    75,309.46x = 112,958.04 × 25,388.48
  4. Step 4: Simplify right side
    75,309.46x = 2,867,832,939.38
  5. Step 5: Solve for x
    x = 2,867,832,939.38/75,309.46
  6. Step 6: Final answer
    x = 38,080.65

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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.