Home / 125,720.22-173,495.16-69,132

Finding the Fourth Proportional to 125,720.22, 173,495.16 and 69,132

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Solution

The fourth proportional to 125,720.22, 173,495.16 and 69,132 is: 95,402.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,720.22 : 173,495.16 = 69,132 : x
  2. Step 2: Convert to fraction form
    125,720.22/173,495.16 = 69,132/x
  3. Step 3: Cross multiply
    125,720.22x = 173,495.16 × 69,132
  4. Step 4: Simplify right side
    125,720.22x = 11,994,067,401.12
  5. Step 5: Solve for x
    x = 11,994,067,401.12/125,720.22
  6. Step 6: Final answer
    x = 95,402.85

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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.