Home / 99,596.15-149,438.39-52,199.99

Finding the Fourth Proportional to 99,596.15, 149,438.39 and 52,199.99

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Solution

The fourth proportional to 99,596.15, 149,438.39 and 52,199.99 is: 78,323.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,596.15 : 149,438.39 = 52,199.99 : x
  2. Step 2: Convert to fraction form
    99,596.15/149,438.39 = 52,199.99/x
  3. Step 3: Cross multiply
    99,596.15x = 149,438.39 × 52,199.99
  4. Step 4: Simplify right side
    99,596.15x = 7,800,682,351.18
  5. Step 5: Solve for x
    x = 7,800,682,351.18/99,596.15
  6. Step 6: Final answer
    x = 78,323.13

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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.