Home / 109,021.56-163,532.28-29,059.56

Finding the Fourth Proportional to 109,021.56, 163,532.28 and 29,059.56

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Solution

The fourth proportional to 109,021.56, 163,532.28 and 29,059.56 is: 43,589.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,021.56 : 163,532.28 = 29,059.56 : x
  2. Step 2: Convert to fraction form
    109,021.56/163,532.28 = 29,059.56/x
  3. Step 3: Cross multiply
    109,021.56x = 163,532.28 × 29,059.56
  4. Step 4: Simplify right side
    109,021.56x = 4,752,176,102.60
  5. Step 5: Solve for x
    x = 4,752,176,102.60/109,021.56
  6. Step 6: Final answer
    x = 43,589.32

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1.5x scale

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.