Home / 109,481.04-151,083.96-59,180

Finding the Fourth Proportional to 109,481.04, 151,083.96 and 59,180

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Solution

The fourth proportional to 109,481.04, 151,083.96 and 59,180 is: 81,668.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,481.04 : 151,083.96 = 59,180 : x
  2. Step 2: Convert to fraction form
    109,481.04/151,083.96 = 59,180/x
  3. Step 3: Cross multiply
    109,481.04x = 151,083.96 × 59,180
  4. Step 4: Simplify right side
    109,481.04x = 8,941,148,752.80
  5. Step 5: Solve for x
    x = 8,941,148,752.80/109,481.04
  6. Step 6: Final answer
    x = 81,668.47

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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.