Home / 89,728.83-134,655.38-35,687.97

Finding the Fourth Proportional to 89,728.83, 134,655.38 and 35,687.97

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Solution

The fourth proportional to 89,728.83, 134,655.38 and 35,687.97 is: 53,556.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,728.83 : 134,655.38 = 35,687.97 : x
  2. Step 2: Convert to fraction form
    89,728.83/134,655.38 = 35,687.97/x
  3. Step 3: Cross multiply
    89,728.83x = 134,655.38 × 35,687.97
  4. Step 4: Simplify right side
    89,728.83x = 4,805,577,161.78
  5. Step 5: Solve for x
    x = 4,805,577,161.78/89,728.83
  6. Step 6: Final answer
    x = 53,556.67

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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.