Home / 73,724.20-110,586.30-18,320.20

Finding the Fourth Proportional to 73,724.20, 110,586.30 and 18,320.20

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Solution

The fourth proportional to 73,724.20, 110,586.30 and 18,320.20 is: 27,480.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,724.20 : 110,586.30 = 18,320.20 : x
  2. Step 2: Convert to fraction form
    73,724.20/110,586.30 = 18,320.20/x
  3. Step 3: Cross multiply
    73,724.20x = 110,586.30 × 18,320.20
  4. Step 4: Simplify right side
    73,724.20x = 2,025,963,133.26
  5. Step 5: Solve for x
    x = 2,025,963,133.26/73,724.20
  6. Step 6: Final answer
    x = 27,480.30

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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.