Home / 125,705.57-173,471.17-68,346.03

Finding the Fourth Proportional to 125,705.57, 173,471.17 and 68,346.03

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Solution

The fourth proportional to 125,705.57, 173,471.17 and 68,346.03 is: 94,316.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,705.57 : 173,471.17 = 68,346.03 : x
  2. Step 2: Convert to fraction form
    125,705.57/173,471.17 = 68,346.03/x
  3. Step 3: Cross multiply
    125,705.57x = 173,471.17 × 68,346.03
  4. Step 4: Simplify right side
    125,705.57x = 11,856,065,420.98
  5. Step 5: Solve for x
    x = 11,856,065,420.98/125,705.57
  6. Step 6: Final answer
    x = 94,316.15

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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.