Home / 99,913.22-149,928.90-36,777.66

Finding the Fourth Proportional to 99,913.22, 149,928.90 and 36,777.66

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Solution

The fourth proportional to 99,913.22, 149,928.90 and 36,777.66 is: 55,188.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,913.22 : 149,928.90 = 36,777.66 : x
  2. Step 2: Convert to fraction form
    99,913.22/149,928.90 = 36,777.66/x
  3. Step 3: Cross multiply
    99,913.22x = 149,928.90 × 36,777.66
  4. Step 4: Simplify right side
    99,913.22x = 5,514,033,358.73
  5. Step 5: Solve for x
    x = 5,514,033,358.73/99,913.22
  6. Step 6: Final answer
    x = 55,188.23

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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.