Home / 98,781.72-148,135.32-32,206.20

Finding the Fourth Proportional to 98,781.72, 148,135.32 and 32,206.20

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Solution

The fourth proportional to 98,781.72, 148,135.32 and 32,206.20 is: 48,297.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,781.72 : 148,135.32 = 32,206.20 : x
  2. Step 2: Convert to fraction form
    98,781.72/148,135.32 = 32,206.20/x
  3. Step 3: Cross multiply
    98,781.72x = 148,135.32 × 32,206.20
  4. Step 4: Simplify right side
    98,781.72x = 4,770,875,742.98
  5. Step 5: Solve for x
    x = 4,770,875,742.98/98,781.72
  6. Step 6: Final answer
    x = 48,297.15

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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.