Home / 125,519.92-173,219.57-68,159.36

Finding the Fourth Proportional to 125,519.92, 173,219.57 and 68,159.36

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Solution

The fourth proportional to 125,519.92, 173,219.57 and 68,159.36 is: 94,061.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,519.92 : 173,219.57 = 68,159.36 : x
  2. Step 2: Convert to fraction form
    125,519.92/173,219.57 = 68,159.36/x
  3. Step 3: Cross multiply
    125,519.92x = 173,219.57 × 68,159.36
  4. Step 4: Simplify right side
    125,519.92x = 11,806,534,334.98
  5. Step 5: Solve for x
    x = 11,806,534,334.98/125,519.92
  6. Step 6: Final answer
    x = 94,061.04

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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.