Home / 90,610.05-125,045.06-50,324.57

Finding the Fourth Proportional to 90,610.05, 125,045.06 and 50,324.57

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Solution

The fourth proportional to 90,610.05, 125,045.06 and 50,324.57 is: 69,449.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,610.05 : 125,045.06 = 50,324.57 : x
  2. Step 2: Convert to fraction form
    90,610.05/125,045.06 = 50,324.57/x
  3. Step 3: Cross multiply
    90,610.05x = 125,045.06 × 50,324.57
  4. Step 4: Simplify right side
    90,610.05x = 6,292,837,998.28
  5. Step 5: Solve for x
    x = 6,292,837,998.28/90,610.05
  6. Step 6: Final answer
    x = 69,449.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.