Home / 89,288.05-133,931.94-36,660.46

Finding the Fourth Proportional to 89,288.05, 133,931.94 and 36,660.46

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Solution

The fourth proportional to 89,288.05, 133,931.94 and 36,660.46 is: 54,990.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,288.05 : 133,931.94 = 36,660.46 : x
  2. Step 2: Convert to fraction form
    89,288.05/133,931.94 = 36,660.46/x
  3. Step 3: Cross multiply
    89,288.05x = 133,931.94 × 36,660.46
  4. Step 4: Simplify right side
    89,288.05x = 4,910,006,529.09
  5. Step 5: Solve for x
    x = 4,910,006,529.09/89,288.05
  6. Step 6: Final answer
    x = 54,990.63

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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.