Home / 89,149.41-133,720.88-35,857.89

Finding the Fourth Proportional to 89,149.41, 133,720.88 and 35,857.89

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Solution

The fourth proportional to 89,149.41, 133,720.88 and 35,857.89 is: 53,785.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,149.41 : 133,720.88 = 35,857.89 : x
  2. Step 2: Convert to fraction form
    89,149.41/133,720.88 = 35,857.89/x
  3. Step 3: Cross multiply
    89,149.41x = 133,720.88 × 35,857.89
  4. Step 4: Simplify right side
    89,149.41x = 4,794,948,426.45
  5. Step 5: Solve for x
    x = 4,794,948,426.45/89,149.41
  6. Step 6: Final answer
    x = 53,785.53

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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.