Home / 91,893.84-126,781.20-60,081.36

Finding the Fourth Proportional to 91,893.84, 126,781.20 and 60,081.36

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Solution

The fourth proportional to 91,893.84, 126,781.20 and 60,081.36 is: 82,891.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,893.84 : 126,781.20 = 60,081.36 : x
  2. Step 2: Convert to fraction form
    91,893.84/126,781.20 = 60,081.36/x
  3. Step 3: Cross multiply
    91,893.84x = 126,781.20 × 60,081.36
  4. Step 4: Simplify right side
    91,893.84x = 7,617,186,918.43
  5. Step 5: Solve for x
    x = 7,617,186,918.43/91,893.84
  6. Step 6: Final answer
    x = 82,891.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.