Home / 99,480.06-149,238.54-32,920.75

Finding the Fourth Proportional to 99,480.06, 149,238.54 and 32,920.75

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Solution

The fourth proportional to 99,480.06, 149,238.54 and 32,920.75 is: 49,387.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,480.06 : 149,238.54 = 32,920.75 : x
  2. Step 2: Convert to fraction form
    99,480.06/149,238.54 = 32,920.75/x
  3. Step 3: Cross multiply
    99,480.06x = 149,238.54 × 32,920.75
  4. Step 4: Simplify right side
    99,480.06x = 4,913,044,665.71
  5. Step 5: Solve for x
    x = 4,913,044,665.71/99,480.06
  6. Step 6: Final answer
    x = 49,387.23

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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.