Home / 109,022.56-163,648.24-96,621.92

Finding the Fourth Proportional to 109,022.56, 163,648.24 and 96,621.92

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Solution

The fourth proportional to 109,022.56, 163,648.24 and 96,621.92 is: 145,034.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,022.56 : 163,648.24 = 96,621.92 : x
  2. Step 2: Convert to fraction form
    109,022.56/163,648.24 = 96,621.92/x
  3. Step 3: Cross multiply
    109,022.56x = 163,648.24 × 96,621.92
  4. Step 4: Simplify right side
    109,022.56x = 15,812,007,153.42
  5. Step 5: Solve for x
    x = 15,812,007,153.42/109,022.56
  6. Step 6: Final answer
    x = 145,034.27

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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.