Home / 100,869.58-151,324.30-29,793.45

Finding the Fourth Proportional to 100,869.58, 151,324.30 and 29,793.45

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Solution

The fourth proportional to 100,869.58, 151,324.30 and 29,793.45 is: 44,696.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,869.58 : 151,324.30 = 29,793.45 : x
  2. Step 2: Convert to fraction form
    100,869.58/151,324.30 = 29,793.45/x
  3. Step 3: Cross multiply
    100,869.58x = 151,324.30 × 29,793.45
  4. Step 4: Simplify right side
    100,869.58x = 4,508,472,965.84
  5. Step 5: Solve for x
    x = 4,508,472,965.84/100,869.58
  6. Step 6: Final answer
    x = 44,696.06

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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.