Home / 89,132.68-133,609-55,876.06

Finding the Fourth Proportional to 89,132.68, 133,609 and 55,876.06

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Solution

The fourth proportional to 89,132.68, 133,609 and 55,876.06 is: 83,757.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,132.68 : 133,609 = 55,876.06 : x
  2. Step 2: Convert to fraction form
    89,132.68/133,609 = 55,876.06/x
  3. Step 3: Cross multiply
    89,132.68x = 133,609 × 55,876.06
  4. Step 4: Simplify right side
    89,132.68x = 7,465,544,500.54
  5. Step 5: Solve for x
    x = 7,465,544,500.54/89,132.68
  6. Step 6: Final answer
    x = 83,757.66

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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.