Home / 124,206.75-171,405.72-67,618.53

Finding the Fourth Proportional to 124,206.75, 171,405.72 and 67,618.53

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Solution

The fourth proportional to 124,206.75, 171,405.72 and 67,618.53 is: 93,313.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,206.75 : 171,405.72 = 67,618.53 : x
  2. Step 2: Convert to fraction form
    124,206.75/171,405.72 = 67,618.53/x
  3. Step 3: Cross multiply
    124,206.75x = 171,405.72 × 67,618.53
  4. Step 4: Simplify right side
    124,206.75x = 11,590,202,819.99
  5. Step 5: Solve for x
    x = 11,590,202,819.99/124,206.75
  6. Step 6: Final answer
    x = 93,313.79

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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.