Home / 69,161.10-95,434.36-38,945.67

Finding the Fourth Proportional to 69,161.10, 95,434.36 and 38,945.67

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Solution

The fourth proportional to 69,161.10, 95,434.36 and 38,945.67 is: 53,740.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,161.10 : 95,434.36 = 38,945.67 : x
  2. Step 2: Convert to fraction form
    69,161.10/95,434.36 = 38,945.67/x
  3. Step 3: Cross multiply
    69,161.10x = 95,434.36 × 38,945.67
  4. Step 4: Simplify right side
    69,161.10x = 3,716,755,091.22
  5. Step 5: Solve for x
    x = 3,716,755,091.22/69,161.10
  6. Step 6: Final answer
    x = 53,740.54

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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.