Home / 68,230.45-101,865.92-52,135.76

Finding the Fourth Proportional to 68,230.45, 101,865.92 and 52,135.76

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Solution

The fourth proportional to 68,230.45, 101,865.92 and 52,135.76 is: 77,837.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,230.45 : 101,865.92 = 52,135.76 : x
  2. Step 2: Convert to fraction form
    68,230.45/101,865.92 = 52,135.76/x
  3. Step 3: Cross multiply
    68,230.45x = 101,865.92 × 52,135.76
  4. Step 4: Simplify right side
    68,230.45x = 5,310,857,032.97
  5. Step 5: Solve for x
    x = 5,310,857,032.97/68,230.45
  6. Step 6: Final answer
    x = 77,837.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.