Home / 68,474.17-94,520.68-61,291.40

Finding the Fourth Proportional to 68,474.17, 94,520.68 and 61,291.40

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Solution

The fourth proportional to 68,474.17, 94,520.68 and 61,291.40 is: 84,605.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,474.17 : 94,520.68 = 61,291.40 : x
  2. Step 2: Convert to fraction form
    68,474.17/94,520.68 = 61,291.40/x
  3. Step 3: Cross multiply
    68,474.17x = 94,520.68 × 61,291.40
  4. Step 4: Simplify right side
    68,474.17x = 5,793,304,180.32
  5. Step 5: Solve for x
    x = 5,793,304,180.32/68,474.17
  6. Step 6: Final answer
    x = 84,605.69

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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.