Home / 99,823.78-149,685.45-33,240.16

Finding the Fourth Proportional to 99,823.78, 149,685.45 and 33,240.16

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Solution

The fourth proportional to 99,823.78, 149,685.45 and 33,240.16 is: 49,843.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,823.78 : 149,685.45 = 33,240.16 : x
  2. Step 2: Convert to fraction form
    99,823.78/149,685.45 = 33,240.16/x
  3. Step 3: Cross multiply
    99,823.78x = 149,685.45 × 33,240.16
  4. Step 4: Simplify right side
    99,823.78x = 4,975,568,307.67
  5. Step 5: Solve for x
    x = 4,975,568,307.67/99,823.78
  6. Step 6: Final answer
    x = 49,843.52

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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.