Home / 54,278.52-81,500.42-51,605.52

Finding the Fourth Proportional to 54,278.52, 81,500.42 and 51,605.52

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Solution

The fourth proportional to 54,278.52, 81,500.42 and 51,605.52 is: 77,486.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,278.52 : 81,500.42 = 51,605.52 : x
  2. Step 2: Convert to fraction form
    54,278.52/81,500.42 = 51,605.52/x
  3. Step 3: Cross multiply
    54,278.52x = 81,500.42 × 51,605.52
  4. Step 4: Simplify right side
    54,278.52x = 4,205,871,554.32
  5. Step 5: Solve for x
    x = 4,205,871,554.32/54,278.52
  6. Step 6: Final answer
    x = 77,486.85

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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.