Home / 87,002.41-120,121.17-66,823.22

Finding the Fourth Proportional to 87,002.41, 120,121.17 and 66,823.22

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Solution

The fourth proportional to 87,002.41, 120,121.17 and 66,823.22 is: 92,260.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,002.41 : 120,121.17 = 66,823.22 : x
  2. Step 2: Convert to fraction form
    87,002.41/120,121.17 = 66,823.22/x
  3. Step 3: Cross multiply
    87,002.41x = 120,121.17 × 66,823.22
  4. Step 4: Simplify right side
    87,002.41x = 8,026,883,369.57
  5. Step 5: Solve for x
    x = 8,026,883,369.57/87,002.41
  6. Step 6: Final answer
    x = 92,260.47

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