Home / 75,266.28-112,801.68-30,841.56

Finding the Fourth Proportional to 75,266.28, 112,801.68 and 30,841.56

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Solution

The fourth proportional to 75,266.28, 112,801.68 and 30,841.56 is: 46,222.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,266.28 : 112,801.68 = 30,841.56 : x
  2. Step 2: Convert to fraction form
    75,266.28/112,801.68 = 30,841.56/x
  3. Step 3: Cross multiply
    75,266.28x = 112,801.68 × 30,841.56
  4. Step 4: Simplify right side
    75,266.28x = 3,478,979,781.82
  5. Step 5: Solve for x
    x = 3,478,979,781.82/75,266.28
  6. Step 6: Final answer
    x = 46,222.29

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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.