Home / 98,919.36-148,363.68-32,359.20

Finding the Fourth Proportional to 98,919.36, 148,363.68 and 32,359.20

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Solution

The fourth proportional to 98,919.36, 148,363.68 and 32,359.20 is: 48,533.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,919.36 : 148,363.68 = 32,359.20 : x
  2. Step 2: Convert to fraction form
    98,919.36/148,363.68 = 32,359.20/x
  3. Step 3: Cross multiply
    98,919.36x = 148,363.68 × 32,359.20
  4. Step 4: Simplify right side
    98,919.36x = 4,800,929,993.86
  5. Step 5: Solve for x
    x = 4,800,929,993.86/98,919.36
  6. Step 6: Final answer
    x = 48,533.78

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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.