Home / 68,829.09-103,281.25-26,710.83

Finding the Fourth Proportional to 68,829.09, 103,281.25 and 26,710.83

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Solution

The fourth proportional to 68,829.09, 103,281.25 and 26,710.83 is: 40,080.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,829.09 : 103,281.25 = 26,710.83 : x
  2. Step 2: Convert to fraction form
    68,829.09/103,281.25 = 26,710.83/x
  3. Step 3: Cross multiply
    68,829.09x = 103,281.25 × 26,710.83
  4. Step 4: Simplify right side
    68,829.09x = 2,758,727,910.94
  5. Step 5: Solve for x
    x = 2,758,727,910.94/68,829.09
  6. Step 6: Final answer
    x = 40,080.84

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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.