Home / 84,447.30-126,418.52-51,066.38

Finding the Fourth Proportional to 84,447.30, 126,418.52 and 51,066.38

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Solution

The fourth proportional to 84,447.30, 126,418.52 and 51,066.38 is: 76,446.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,447.30 : 126,418.52 = 51,066.38 : x
  2. Step 2: Convert to fraction form
    84,447.30/126,418.52 = 51,066.38/x
  3. Step 3: Cross multiply
    84,447.30x = 126,418.52 × 51,066.38
  4. Step 4: Simplify right side
    84,447.30x = 6,455,736,181.36
  5. Step 5: Solve for x
    x = 6,455,736,181.36/84,447.30
  6. Step 6: Final answer
    x = 76,446.92

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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.