Home / 83,966.37-115,897.41-55,306.95

Finding the Fourth Proportional to 83,966.37, 115,897.41 and 55,306.95

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Solution

The fourth proportional to 83,966.37, 115,897.41 and 55,306.95 is: 76,339.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,966.37 : 115,897.41 = 55,306.95 : x
  2. Step 2: Convert to fraction form
    83,966.37/115,897.41 = 55,306.95/x
  3. Step 3: Cross multiply
    83,966.37x = 115,897.41 × 55,306.95
  4. Step 4: Simplify right side
    83,966.37x = 6,409,932,321.76
  5. Step 5: Solve for x
    x = 6,409,932,321.76/83,966.37
  6. Step 6: Final answer
    x = 76,339.28

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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.