Home / 68,930.88-95,100.39-45,071.52

Finding the Fourth Proportional to 68,930.88, 95,100.39 and 45,071.52

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Solution

The fourth proportional to 68,930.88, 95,100.39 and 45,071.52 is: 62,182.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,930.88 : 95,100.39 = 45,071.52 : x
  2. Step 2: Convert to fraction form
    68,930.88/95,100.39 = 45,071.52/x
  3. Step 3: Cross multiply
    68,930.88x = 95,100.39 × 45,071.52
  4. Step 4: Simplify right side
    68,930.88x = 4,286,319,129.89
  5. Step 5: Solve for x
    x = 4,286,319,129.89/68,930.88
  6. Step 6: Final answer
    x = 62,182.86

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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.