Home / 92,145.28-138,180.72-35,977.36

Finding the Fourth Proportional to 92,145.28, 138,180.72 and 35,977.36

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Solution

The fourth proportional to 92,145.28, 138,180.72 and 35,977.36 is: 53,951.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,145.28 : 138,180.72 = 35,977.36 : x
  2. Step 2: Convert to fraction form
    92,145.28/138,180.72 = 35,977.36/x
  3. Step 3: Cross multiply
    92,145.28x = 138,180.72 × 35,977.36
  4. Step 4: Simplify right side
    92,145.28x = 4,971,377,508.50
  5. Step 5: Solve for x
    x = 4,971,377,508.50/92,145.28
  6. Step 6: Final answer
    x = 53,951.52

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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.