Home / 83,372.84-125,126.69-64,608.38

Finding the Fourth Proportional to 83,372.84, 125,126.69 and 64,608.38

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Solution

The fourth proportional to 83,372.84, 125,126.69 and 64,608.38 is: 96,964.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,372.84 : 125,126.69 = 64,608.38 : x
  2. Step 2: Convert to fraction form
    83,372.84/125,126.69 = 64,608.38/x
  3. Step 3: Cross multiply
    83,372.84x = 125,126.69 × 64,608.38
  4. Step 4: Simplify right side
    83,372.84x = 8,084,231,786.99
  5. Step 5: Solve for x
    x = 8,084,231,786.99/83,372.84
  6. Step 6: Final answer
    x = 96,964.82

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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.