Home / 80,410.64-111,037.22-50,247.51

Finding the Fourth Proportional to 80,410.64, 111,037.22 and 50,247.51

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Solution

The fourth proportional to 80,410.64, 111,037.22 and 50,247.51 is: 69,385.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,410.64 : 111,037.22 = 50,247.51 : x
  2. Step 2: Convert to fraction form
    80,410.64/111,037.22 = 50,247.51/x
  3. Step 3: Cross multiply
    80,410.64x = 111,037.22 × 50,247.51
  4. Step 4: Simplify right side
    80,410.64x = 5,579,343,625.77
  5. Step 5: Solve for x
    x = 5,579,343,625.77/80,410.64
  6. Step 6: Final answer
    x = 69,385.64

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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.