Home / 60,842.26-91,072.20-38,680.66

Finding the Fourth Proportional to 60,842.26, 91,072.20 and 38,680.66

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Solution

The fourth proportional to 60,842.26, 91,072.20 and 38,680.66 is: 57,899.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,842.26 : 91,072.20 = 38,680.66 : x
  2. Step 2: Convert to fraction form
    60,842.26/91,072.20 = 38,680.66/x
  3. Step 3: Cross multiply
    60,842.26x = 91,072.20 × 38,680.66
  4. Step 4: Simplify right side
    60,842.26x = 3,522,732,803.65
  5. Step 5: Solve for x
    x = 3,522,732,803.65/60,842.26
  6. Step 6: Final answer
    x = 57,899.44

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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.