Home / 125,985.19-173,859.57-69,396.57

Finding the Fourth Proportional to 125,985.19, 173,859.57 and 69,396.57

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Solution

The fourth proportional to 125,985.19, 173,859.57 and 69,396.57 is: 95,767.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,985.19 : 173,859.57 = 69,396.57 : x
  2. Step 2: Convert to fraction form
    125,985.19/173,859.57 = 69,396.57/x
  3. Step 3: Cross multiply
    125,985.19x = 173,859.57 × 69,396.57
  4. Step 4: Simplify right side
    125,985.19x = 12,065,257,819.67
  5. Step 5: Solve for x
    x = 12,065,257,819.67/125,985.19
  6. Step 6: Final answer
    x = 95,767.27

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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.