Home / 52,116.52-78,174.19-12,673.66

Finding the Fourth Proportional to 52,116.52, 78,174.19 and 12,673.66

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Solution

The fourth proportional to 52,116.52, 78,174.19 and 12,673.66 is: 19,010.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,116.52 : 78,174.19 = 12,673.66 : x
  2. Step 2: Convert to fraction form
    52,116.52/78,174.19 = 12,673.66/x
  3. Step 3: Cross multiply
    52,116.52x = 78,174.19 × 12,673.66
  4. Step 4: Simplify right side
    52,116.52x = 990,753,104.84
  5. Step 5: Solve for x
    x = 990,753,104.84/52,116.52
  6. Step 6: Final answer
    x = 19,010.35

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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.