Home / 109,026.49-150,449.07-61,287.04

Finding the Fourth Proportional to 109,026.49, 150,449.07 and 61,287.04

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Solution

The fourth proportional to 109,026.49, 150,449.07 and 61,287.04 is: 84,571.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,026.49 : 150,449.07 = 61,287.04 : x
  2. Step 2: Convert to fraction form
    109,026.49/150,449.07 = 61,287.04/x
  3. Step 3: Cross multiply
    109,026.49x = 150,449.07 × 61,287.04
  4. Step 4: Simplify right side
    109,026.49x = 9,220,578,171.05
  5. Step 5: Solve for x
    x = 9,220,578,171.05/109,026.49
  6. Step 6: Final answer
    x = 84,571.91

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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.