Home / 75,275.38-112,889.40-27,237.79

Finding the Fourth Proportional to 75,275.38, 112,889.40 and 27,237.79

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Solution

The fourth proportional to 75,275.38, 112,889.40 and 27,237.79 is: 40,848.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,275.38 : 112,889.40 = 27,237.79 : x
  2. Step 2: Convert to fraction form
    75,275.38/112,889.40 = 27,237.79/x
  3. Step 3: Cross multiply
    75,275.38x = 112,889.40 × 27,237.79
  4. Step 4: Simplify right side
    75,275.38x = 3,074,857,770.43
  5. Step 5: Solve for x
    x = 3,074,857,770.43/75,275.38
  6. Step 6: Final answer
    x = 40,848.12

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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.