Home / 92,669.67-138,922.29-45,258.75

Finding the Fourth Proportional to 92,669.67, 138,922.29 and 45,258.75

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Solution

The fourth proportional to 92,669.67, 138,922.29 and 45,258.75 is: 67,847.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,669.67 : 138,922.29 = 45,258.75 : x
  2. Step 2: Convert to fraction form
    92,669.67/138,922.29 = 45,258.75/x
  3. Step 3: Cross multiply
    92,669.67x = 138,922.29 × 45,258.75
  4. Step 4: Simplify right side
    92,669.67x = 6,287,449,192.54
  5. Step 5: Solve for x
    x = 6,287,449,192.54/92,669.67
  6. Step 6: Final answer
    x = 67,847.97

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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.