Home / 83,129.80-114,600.54-51,277.36

Finding the Fourth Proportional to 83,129.80, 114,600.54 and 51,277.36

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Solution

The fourth proportional to 83,129.80, 114,600.54 and 51,277.36 is: 70,689.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,129.80 : 114,600.54 = 51,277.36 : x
  2. Step 2: Convert to fraction form
    83,129.80/114,600.54 = 51,277.36/x
  3. Step 3: Cross multiply
    83,129.80x = 114,600.54 × 51,277.36
  4. Step 4: Simplify right side
    83,129.80x = 5,876,413,145.77
  5. Step 5: Solve for x
    x = 5,876,413,145.77/83,129.80
  6. Step 6: Final answer
    x = 70,689.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.