Home / 89,113.61-133,691.37-25,935.09

Finding the Fourth Proportional to 89,113.61, 133,691.37 and 25,935.09

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Solution

The fourth proportional to 89,113.61, 133,691.37 and 25,935.09 is: 38,908.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,113.61 : 133,691.37 = 25,935.09 : x
  2. Step 2: Convert to fraction form
    89,113.61/133,691.37 = 25,935.09/x
  3. Step 3: Cross multiply
    89,113.61x = 133,691.37 × 25,935.09
  4. Step 4: Simplify right side
    89,113.61x = 3,467,297,583.50
  5. Step 5: Solve for x
    x = 3,467,297,583.50/89,113.61
  6. Step 6: Final answer
    x = 38,908.73

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1.5x scale

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.