Home / 68,652.09-94,735.29-38,432.31

Finding the Fourth Proportional to 68,652.09, 94,735.29 and 38,432.31

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Solution

The fourth proportional to 68,652.09, 94,735.29 and 38,432.31 is: 53,034.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,652.09 : 94,735.29 = 38,432.31 : x
  2. Step 2: Convert to fraction form
    68,652.09/94,735.29 = 38,432.31/x
  3. Step 3: Cross multiply
    68,652.09x = 94,735.29 × 38,432.31
  4. Step 4: Simplify right side
    68,652.09x = 3,640,896,033.22
  5. Step 5: Solve for x
    x = 3,640,896,033.22/68,652.09
  6. Step 6: Final answer
    x = 53,034.02

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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.