Home / 94,080.80-141,115.75-68,805.92

Finding the Fourth Proportional to 94,080.80, 141,115.75 and 68,805.92

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Solution

The fourth proportional to 94,080.80, 141,115.75 and 68,805.92 is: 103,204.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,080.80 : 141,115.75 = 68,805.92 : x
  2. Step 2: Convert to fraction form
    94,080.80/141,115.75 = 68,805.92/x
  3. Step 3: Cross multiply
    94,080.80x = 141,115.75 × 68,805.92
  4. Step 4: Simplify right side
    94,080.80x = 9,709,599,186.01
  5. Step 5: Solve for x
    x = 9,709,599,186.01/94,080.80
  6. Step 6: Final answer
    x = 103,204.89

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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.