Home / 68,046.25-93,909.07-40,823.35

Finding the Fourth Proportional to 68,046.25, 93,909.07 and 40,823.35

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Solution

The fourth proportional to 68,046.25, 93,909.07 and 40,823.35 is: 56,339.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,046.25 : 93,909.07 = 40,823.35 : x
  2. Step 2: Convert to fraction form
    68,046.25/93,909.07 = 40,823.35/x
  3. Step 3: Cross multiply
    68,046.25x = 93,909.07 × 40,823.35
  4. Step 4: Simplify right side
    68,046.25x = 3,833,682,832.78
  5. Step 5: Solve for x
    x = 3,833,682,832.78/68,046.25
  6. Step 6: Final answer
    x = 56,339.37

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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.