Home / 54,194.60-81,146.10-42,433.40

Finding the Fourth Proportional to 54,194.60, 81,146.10 and 42,433.40

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Solution

The fourth proportional to 54,194.60, 81,146.10 and 42,433.40 is: 63,535.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,194.60 : 81,146.10 = 42,433.40 : x
  2. Step 2: Convert to fraction form
    54,194.60/81,146.10 = 42,433.40/x
  3. Step 3: Cross multiply
    54,194.60x = 81,146.10 × 42,433.40
  4. Step 4: Simplify right side
    54,194.60x = 3,443,304,919.74
  5. Step 5: Solve for x
    x = 3,443,304,919.74/54,194.60
  6. Step 6: Final answer
    x = 63,535.94

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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.