Home / 68,829.35-103,281.63-26,711.09

Finding the Fourth Proportional to 68,829.35, 103,281.63 and 26,711.09

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Solution

The fourth proportional to 68,829.35, 103,281.63 and 26,711.09 is: 40,081.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,829.35 : 103,281.63 = 26,711.09 : x
  2. Step 2: Convert to fraction form
    68,829.35/103,281.63 = 26,711.09/x
  3. Step 3: Cross multiply
    68,829.35x = 103,281.63 × 26,711.09
  4. Step 4: Simplify right side
    68,829.35x = 2,758,764,397.87
  5. Step 5: Solve for x
    x = 2,758,764,397.87/68,829.35
  6. Step 6: Final answer
    x = 40,081.22

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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.