Home / 84,394.08-126,618.82-34,516.12

Finding the Fourth Proportional to 84,394.08, 126,618.82 and 34,516.12

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Solution

The fourth proportional to 84,394.08, 126,618.82 and 34,516.12 is: 51,785.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,394.08 : 126,618.82 = 34,516.12 : x
  2. Step 2: Convert to fraction form
    84,394.08/126,618.82 = 34,516.12/x
  3. Step 3: Cross multiply
    84,394.08x = 126,618.82 × 34,516.12
  4. Step 4: Simplify right side
    84,394.08x = 4,370,390,385.38
  5. Step 5: Solve for x
    x = 4,370,390,385.38/84,394.08
  6. Step 6: Final answer
    x = 51,785.51

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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.