Home / 87,803.64-121,169.03-47,517.41

Finding the Fourth Proportional to 87,803.64, 121,169.03 and 47,517.41

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Solution

The fourth proportional to 87,803.64, 121,169.03 and 47,517.41 is: 65,574.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,803.64 : 121,169.03 = 47,517.41 : x
  2. Step 2: Convert to fraction form
    87,803.64/121,169.03 = 47,517.41/x
  3. Step 3: Cross multiply
    87,803.64x = 121,169.03 × 47,517.41
  4. Step 4: Simplify right side
    87,803.64x = 5,757,637,634.38
  5. Step 5: Solve for x
    x = 5,757,637,634.38/87,803.64
  6. Step 6: Final answer
    x = 65,574.02

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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.