Home / 68,777.12-103,167.08-22,029.84

Finding the Fourth Proportional to 68,777.12, 103,167.08 and 22,029.84

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Solution

The fourth proportional to 68,777.12, 103,167.08 and 22,029.84 is: 33,045.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,777.12 : 103,167.08 = 22,029.84 : x
  2. Step 2: Convert to fraction form
    68,777.12/103,167.08 = 22,029.84/x
  3. Step 3: Cross multiply
    68,777.12x = 103,167.08 × 22,029.84
  4. Step 4: Simplify right side
    68,777.12x = 2,272,754,265.67
  5. Step 5: Solve for x
    x = 2,272,754,265.67/68,777.12
  6. Step 6: Final answer
    x = 33,045.21

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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.