Home / 80,947.35-111,708.08-44,650.19

Finding the Fourth Proportional to 80,947.35, 111,708.08 and 44,650.19

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Solution

The fourth proportional to 80,947.35, 111,708.08 and 44,650.19 is: 61,617.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,947.35 : 111,708.08 = 44,650.19 : x
  2. Step 2: Convert to fraction form
    80,947.35/111,708.08 = 44,650.19/x
  3. Step 3: Cross multiply
    80,947.35x = 111,708.08 × 44,650.19
  4. Step 4: Simplify right side
    80,947.35x = 4,987,786,996.54
  5. Step 5: Solve for x
    x = 4,987,786,996.54/80,947.35
  6. Step 6: Final answer
    x = 61,617.67

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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.