Home / 125,720.16-173,493.82-69,131.53

Finding the Fourth Proportional to 125,720.16, 173,493.82 and 69,131.53

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Solution

The fourth proportional to 125,720.16, 173,493.82 and 69,131.53 is: 95,401.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,720.16 : 173,493.82 = 69,131.53 : x
  2. Step 2: Convert to fraction form
    125,720.16/173,493.82 = 69,131.53/x
  3. Step 3: Cross multiply
    125,720.16x = 173,493.82 × 69,131.53
  4. Step 4: Simplify right side
    125,720.16x = 11,993,893,222.14
  5. Step 5: Solve for x
    x = 11,993,893,222.14/125,720.16
  6. Step 6: Final answer
    x = 95,401.51

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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.