Home / 99,049.68-148,579.56-28,929.60

Finding the Fourth Proportional to 99,049.68, 148,579.56 and 28,929.60

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Solution

The fourth proportional to 99,049.68, 148,579.56 and 28,929.60 is: 43,395.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,049.68 : 148,579.56 = 28,929.60 : x
  2. Step 2: Convert to fraction form
    99,049.68/148,579.56 = 28,929.60/x
  3. Step 3: Cross multiply
    99,049.68x = 148,579.56 × 28,929.60
  4. Step 4: Simplify right side
    99,049.68x = 4,298,347,238.98
  5. Step 5: Solve for x
    x = 4,298,347,238.98/99,049.68
  6. Step 6: Final answer
    x = 43,395.87

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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.