Home / 67,389.98-92,979.50-43,517.66

Finding the Fourth Proportional to 67,389.98, 92,979.50 and 43,517.66

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Solution

The fourth proportional to 67,389.98, 92,979.50 and 43,517.66 is: 60,042.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,389.98 : 92,979.50 = 43,517.66 : x
  2. Step 2: Convert to fraction form
    67,389.98/92,979.50 = 43,517.66/x
  3. Step 3: Cross multiply
    67,389.98x = 92,979.50 × 43,517.66
  4. Step 4: Simplify right side
    67,389.98x = 4,046,250,267.97
  5. Step 5: Solve for x
    x = 4,046,250,267.97/67,389.98
  6. Step 6: Final answer
    x = 60,042.31

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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.