Home / 325,744.49-488,609.78-89,087.17

Finding the Fourth Proportional to 325,744.49, 488,609.78 and 89,087.17

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Solution

The fourth proportional to 325,744.49, 488,609.78 and 89,087.17 is: 133,628.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,744.49 : 488,609.78 = 89,087.17 : x
  2. Step 2: Convert to fraction form
    325,744.49/488,609.78 = 89,087.17/x
  3. Step 3: Cross multiply
    325,744.49x = 488,609.78 × 89,087.17
  4. Step 4: Simplify right side
    325,744.49x = 43,528,862,534.52
  5. Step 5: Solve for x
    x = 43,528,862,534.52/325,744.49
  6. Step 6: Final answer
    x = 133,628.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.