Home / 75,309.07-112,884.79-25,371.91

Finding the Fourth Proportional to 75,309.07, 112,884.79 and 25,371.91

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Solution

The fourth proportional to 75,309.07, 112,884.79 and 25,371.91 is: 38,031.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,309.07 : 112,884.79 = 25,371.91 : x
  2. Step 2: Convert to fraction form
    75,309.07/112,884.79 = 25,371.91/x
  3. Step 3: Cross multiply
    75,309.07x = 112,884.79 × 25,371.91
  4. Step 4: Simplify right side
    75,309.07x = 2,864,102,732.25
  5. Step 5: Solve for x
    x = 2,864,102,732.25/75,309.07
  6. Step 6: Final answer
    x = 38,031.31

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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.