Home / 84,242.01-126,417.35-54,253.11

Finding the Fourth Proportional to 84,242.01, 126,417.35 and 54,253.11

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Solution

The fourth proportional to 84,242.01, 126,417.35 and 54,253.11 is: 81,414.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,242.01 : 126,417.35 = 54,253.11 : x
  2. Step 2: Convert to fraction form
    84,242.01/126,417.35 = 54,253.11/x
  3. Step 3: Cross multiply
    84,242.01x = 126,417.35 × 54,253.11
  4. Step 4: Simplify right side
    84,242.01x = 6,858,534,124.19
  5. Step 5: Solve for x
    x = 6,858,534,124.19/84,242.01
  6. Step 6: Final answer
    x = 81,414.65

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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.