Home / 92,432.19-138,665.43-29,268.30

Finding the Fourth Proportional to 92,432.19, 138,665.43 and 29,268.30

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Solution

The fourth proportional to 92,432.19, 138,665.43 and 29,268.30 is: 43,907.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,432.19 : 138,665.43 = 29,268.30 : x
  2. Step 2: Convert to fraction form
    92,432.19/138,665.43 = 29,268.30/x
  3. Step 3: Cross multiply
    92,432.19x = 138,665.43 × 29,268.30
  4. Step 4: Simplify right side
    92,432.19x = 4,058,501,404.87
  5. Step 5: Solve for x
    x = 4,058,501,404.87/92,432.19
  6. Step 6: Final answer
    x = 43,907.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.