Home / 87,595.28-120,873.56-49,361.06

Finding the Fourth Proportional to 87,595.28, 120,873.56 and 49,361.06

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Solution

The fourth proportional to 87,595.28, 120,873.56 and 49,361.06 is: 68,113.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,595.28 : 120,873.56 = 49,361.06 : x
  2. Step 2: Convert to fraction form
    87,595.28/120,873.56 = 49,361.06/x
  3. Step 3: Cross multiply
    87,595.28x = 120,873.56 × 49,361.06
  4. Step 4: Simplify right side
    87,595.28x = 5,966,446,196.40
  5. Step 5: Solve for x
    x = 5,966,446,196.40/87,595.28
  6. Step 6: Final answer
    x = 68,113.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.