Home / 80,011.24-110,410.92-47,782.20

Finding the Fourth Proportional to 80,011.24, 110,410.92 and 47,782.20

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Solution

The fourth proportional to 80,011.24, 110,410.92 and 47,782.20 is: 65,936.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,011.24 : 110,410.92 = 47,782.20 : x
  2. Step 2: Convert to fraction form
    80,011.24/110,410.92 = 47,782.20/x
  3. Step 3: Cross multiply
    80,011.24x = 110,410.92 × 47,782.20
  4. Step 4: Simplify right side
    80,011.24x = 5,275,676,661.62
  5. Step 5: Solve for x
    x = 5,275,676,661.62/80,011.24
  6. Step 6: Final answer
    x = 65,936.69

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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.