Home / 99,828.69-149,766.80-32,360.78

Finding the Fourth Proportional to 99,828.69, 149,766.80 and 32,360.78

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Solution

The fourth proportional to 99,828.69, 149,766.80 and 32,360.78 is: 48,548.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,828.69 : 149,766.80 = 32,360.78 : x
  2. Step 2: Convert to fraction form
    99,828.69/149,766.80 = 32,360.78/x
  3. Step 3: Cross multiply
    99,828.69x = 149,766.80 × 32,360.78
  4. Step 4: Simplify right side
    99,828.69x = 4,846,569,555.47
  5. Step 5: Solve for x
    x = 4,846,569,555.47/99,828.69
  6. Step 6: Final answer
    x = 48,548.86

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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.