Home / 68,261.83-94,189.90-38,040.52

Finding the Fourth Proportional to 68,261.83, 94,189.90 and 38,040.52

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Solution

The fourth proportional to 68,261.83, 94,189.90 and 38,040.52 is: 52,489.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,261.83 : 94,189.90 = 38,040.52 : x
  2. Step 2: Convert to fraction form
    68,261.83/94,189.90 = 38,040.52/x
  3. Step 3: Cross multiply
    68,261.83x = 94,189.90 × 38,040.52
  4. Step 4: Simplify right side
    68,261.83x = 3,583,032,774.75
  5. Step 5: Solve for x
    x = 3,583,032,774.75/68,261.83
  6. Step 6: Final answer
    x = 52,489.55

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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.