Home / 75,502.85-113,007.83-55,507.04

Finding the Fourth Proportional to 75,502.85, 113,007.83 and 55,507.04

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Solution

The fourth proportional to 75,502.85, 113,007.83 and 55,507.04 is: 83,079.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,502.85 : 113,007.83 = 55,507.04 : x
  2. Step 2: Convert to fraction form
    75,502.85/113,007.83 = 55,507.04/x
  3. Step 3: Cross multiply
    75,502.85x = 113,007.83 × 55,507.04
  4. Step 4: Simplify right side
    75,502.85x = 6,272,729,721.33
  5. Step 5: Solve for x
    x = 6,272,729,721.33/75,502.85
  6. Step 6: Final answer
    x = 83,079.38

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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.