Home / 67,911.16-93,723.34-39,625.96

Finding the Fourth Proportional to 67,911.16, 93,723.34 and 39,625.96

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Solution

The fourth proportional to 67,911.16, 93,723.34 and 39,625.96 is: 54,687.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,911.16 : 93,723.34 = 39,625.96 : x
  2. Step 2: Convert to fraction form
    67,911.16/93,723.34 = 39,625.96/x
  3. Step 3: Cross multiply
    67,911.16x = 93,723.34 × 39,625.96
  4. Step 4: Simplify right side
    67,911.16x = 3,713,877,321.91
  5. Step 5: Solve for x
    x = 3,713,877,321.91/67,911.16
  6. Step 6: Final answer
    x = 54,687.29

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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.