Home / 92,560.41-138,896.19-39,969.90

Finding the Fourth Proportional to 92,560.41, 138,896.19 and 39,969.90

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Solution

The fourth proportional to 92,560.41, 138,896.19 and 39,969.90 is: 59,978.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,560.41 : 138,896.19 = 39,969.90 : x
  2. Step 2: Convert to fraction form
    92,560.41/138,896.19 = 39,969.90/x
  3. Step 3: Cross multiply
    92,560.41x = 138,896.19 × 39,969.90
  4. Step 4: Simplify right side
    92,560.41x = 5,551,666,824.68
  5. Step 5: Solve for x
    x = 5,551,666,824.68/92,560.41
  6. Step 6: Final answer
    x = 59,978.85

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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.