Home / 54,937.20-81,943.95-49,891.89

Finding the Fourth Proportional to 54,937.20, 81,943.95 and 49,891.89

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Solution

The fourth proportional to 54,937.20, 81,943.95 and 49,891.89 is: 74,418.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,937.20 : 81,943.95 = 49,891.89 : x
  2. Step 2: Convert to fraction form
    54,937.20/81,943.95 = 49,891.89/x
  3. Step 3: Cross multiply
    54,937.20x = 81,943.95 × 49,891.89
  4. Step 4: Simplify right side
    54,937.20x = 4,088,338,893.63
  5. Step 5: Solve for x
    x = 4,088,338,893.63/54,937.20
  6. Step 6: Final answer
    x = 74,418.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.