Home / 68,522.07-102,713.09-38,877.29

Finding the Fourth Proportional to 68,522.07, 102,713.09 and 38,877.29

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Solution

The fourth proportional to 68,522.07, 102,713.09 and 38,877.29 is: 58,276.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,522.07 : 102,713.09 = 38,877.29 : x
  2. Step 2: Convert to fraction form
    68,522.07/102,713.09 = 38,877.29/x
  3. Step 3: Cross multiply
    68,522.07x = 102,713.09 × 38,877.29
  4. Step 4: Simplify right side
    68,522.07x = 3,993,205,878.77
  5. Step 5: Solve for x
    x = 3,993,205,878.77/68,522.07
  6. Step 6: Final answer
    x = 58,276.20

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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.