Home / 109,027.68-163,555.56-34,151.28

Finding the Fourth Proportional to 109,027.68, 163,555.56 and 34,151.28

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Solution

The fourth proportional to 109,027.68, 163,555.56 and 34,151.28 is: 51,231.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,027.68 : 163,555.56 = 34,151.28 : x
  2. Step 2: Convert to fraction form
    109,027.68/163,555.56 = 34,151.28/x
  3. Step 3: Cross multiply
    109,027.68x = 163,555.56 × 34,151.28
  4. Step 4: Simplify right side
    109,027.68x = 5,585,631,725.12
  5. Step 5: Solve for x
    x = 5,585,631,725.12/109,027.68
  6. Step 6: Final answer
    x = 51,231.32

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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.