Home / 80,947.62-111,710.34-45,145.26

Finding the Fourth Proportional to 80,947.62, 111,710.34 and 45,145.26

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Solution

The fourth proportional to 80,947.62, 111,710.34 and 45,145.26 is: 62,301.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,947.62 : 111,710.34 = 45,145.26 : x
  2. Step 2: Convert to fraction form
    80,947.62/111,710.34 = 45,145.26/x
  3. Step 3: Cross multiply
    80,947.62x = 111,710.34 × 45,145.26
  4. Step 4: Simplify right side
    80,947.62x = 5,043,192,343.99
  5. Step 5: Solve for x
    x = 5,043,192,343.99/80,947.62
  6. Step 6: Final answer
    x = 62,301.92

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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.