Home / 87,768.41-121,090.32-49,523.25

Finding the Fourth Proportional to 87,768.41, 121,090.32 and 49,523.25

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Solution

The fourth proportional to 87,768.41, 121,090.32 and 49,523.25 is: 68,325.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,768.41 : 121,090.32 = 49,523.25 : x
  2. Step 2: Convert to fraction form
    87,768.41/121,090.32 = 49,523.25/x
  3. Step 3: Cross multiply
    87,768.41x = 121,090.32 × 49,523.25
  4. Step 4: Simplify right side
    87,768.41x = 5,996,785,823.61
  5. Step 5: Solve for x
    x = 5,996,785,823.61/87,768.41
  6. Step 6: Final answer
    x = 68,325.10

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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.