Home / 99,324.36-148,989.24-29,205.90

Finding the Fourth Proportional to 99,324.36, 148,989.24 and 29,205.90

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Solution

The fourth proportional to 99,324.36, 148,989.24 and 29,205.90 is: 43,809.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,324.36 : 148,989.24 = 29,205.90 : x
  2. Step 2: Convert to fraction form
    99,324.36/148,989.24 = 29,205.90/x
  3. Step 3: Cross multiply
    99,324.36x = 148,989.24 × 29,205.90
  4. Step 4: Simplify right side
    99,324.36x = 4,351,364,844.52
  5. Step 5: Solve for x
    x = 4,351,364,844.52/99,324.36
  6. Step 6: Final answer
    x = 43,809.64

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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.