Home / 125,748.24-173,531.70-71,310.69

Finding the Fourth Proportional to 125,748.24, 173,531.70 and 71,310.69

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Solution

The fourth proportional to 125,748.24, 173,531.70 and 71,310.69 is: 98,408.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,748.24 : 173,531.70 = 71,310.69 : x
  2. Step 2: Convert to fraction form
    125,748.24/173,531.70 = 71,310.69/x
  3. Step 3: Cross multiply
    125,748.24x = 173,531.70 × 71,310.69
  4. Step 4: Simplify right side
    125,748.24x = 12,374,665,263.87
  5. Step 5: Solve for x
    x = 12,374,665,263.87/125,748.24
  6. Step 6: Final answer
    x = 98,408.26

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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.