Home / 67,687.18-93,367.42-43,479.99

Finding the Fourth Proportional to 67,687.18, 93,367.42 and 43,479.99

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Solution

The fourth proportional to 67,687.18, 93,367.42 and 43,479.99 is: 59,976.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,687.18 : 93,367.42 = 43,479.99 : x
  2. Step 2: Convert to fraction form
    67,687.18/93,367.42 = 43,479.99/x
  3. Step 3: Cross multiply
    67,687.18x = 93,367.42 × 43,479.99
  4. Step 4: Simplify right side
    67,687.18x = 4,059,614,379.23
  5. Step 5: Solve for x
    x = 4,059,614,379.23/67,687.18
  6. Step 6: Final answer
    x = 59,976.12

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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.