Home / 89,355-133,993.13-41,983.56

Finding the Fourth Proportional to 89,355, 133,993.13 and 41,983.56

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Solution

The fourth proportional to 89,355, 133,993.13 and 41,983.56 is: 62,956.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,355 : 133,993.13 = 41,983.56 : x
  2. Step 2: Convert to fraction form
    89,355/133,993.13 = 41,983.56/x
  3. Step 3: Cross multiply
    89,355x = 133,993.13 × 41,983.56
  4. Step 4: Simplify right side
    89,355x = 5,625,508,403.03
  5. Step 5: Solve for x
    x = 5,625,508,403.03/89,355
  6. Step 6: Final answer
    x = 62,956.84

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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.