Home / 75,177.72-112,774.14-27,805.41

Finding the Fourth Proportional to 75,177.72, 112,774.14 and 27,805.41

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Solution

The fourth proportional to 75,177.72, 112,774.14 and 27,805.41 is: 41,710.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,177.72 : 112,774.14 = 27,805.41 : x
  2. Step 2: Convert to fraction form
    75,177.72/112,774.14 = 27,805.41/x
  3. Step 3: Cross multiply
    75,177.72x = 112,774.14 × 27,805.41
  4. Step 4: Simplify right side
    75,177.72x = 3,135,731,200.10
  5. Step 5: Solve for x
    x = 3,135,731,200.10/75,177.72
  6. Step 6: Final answer
    x = 41,710.91

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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.