Home / 68,650.25-94,732.85-38,435.29

Finding the Fourth Proportional to 68,650.25, 94,732.85 and 38,435.29

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Solution

The fourth proportional to 68,650.25, 94,732.85 and 38,435.29 is: 53,038.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,650.25 : 94,732.85 = 38,435.29 : x
  2. Step 2: Convert to fraction form
    68,650.25/94,732.85 = 38,435.29/x
  3. Step 3: Cross multiply
    68,650.25x = 94,732.85 × 38,435.29
  4. Step 4: Simplify right side
    68,650.25x = 3,641,084,562.28
  5. Step 5: Solve for x
    x = 3,641,084,562.28/68,650.25
  6. Step 6: Final answer
    x = 53,038.18

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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.