Home / 84,161.53-126,242.15-49,076.58

Finding the Fourth Proportional to 84,161.53, 126,242.15 and 49,076.58

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Solution

The fourth proportional to 84,161.53, 126,242.15 and 49,076.58 is: 73,614.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,161.53 : 126,242.15 = 49,076.58 : x
  2. Step 2: Convert to fraction form
    84,161.53/126,242.15 = 49,076.58/x
  3. Step 3: Cross multiply
    84,161.53x = 126,242.15 × 49,076.58
  4. Step 4: Simplify right side
    84,161.53x = 6,195,533,201.87
  5. Step 5: Solve for x
    x = 6,195,533,201.87/84,161.53
  6. Step 6: Final answer
    x = 73,614.79

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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.