Home / 54,142.97-81,088.29-52,648.25

Finding the Fourth Proportional to 54,142.97, 81,088.29 and 52,648.25

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Solution

The fourth proportional to 54,142.97, 81,088.29 and 52,648.25 is: 78,849.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,142.97 : 81,088.29 = 52,648.25 : x
  2. Step 2: Convert to fraction form
    54,142.97/81,088.29 = 52,648.25/x
  3. Step 3: Cross multiply
    54,142.97x = 81,088.29 × 52,648.25
  4. Step 4: Simplify right side
    54,142.97x = 4,269,156,158.55
  5. Step 5: Solve for x
    x = 4,269,156,158.55/54,142.97
  6. Step 6: Final answer
    x = 78,849.69

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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.