Home / 80,785.97-111,467.74-46,782.22

Finding the Fourth Proportional to 80,785.97, 111,467.74 and 46,782.22

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Solution

The fourth proportional to 80,785.97, 111,467.74 and 46,782.22 is: 64,549.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,785.97 : 111,467.74 = 46,782.22 : x
  2. Step 2: Convert to fraction form
    80,785.97/111,467.74 = 46,782.22/x
  3. Step 3: Cross multiply
    80,785.97x = 111,467.74 × 46,782.22
  4. Step 4: Simplify right side
    80,785.97x = 5,214,708,335.58
  5. Step 5: Solve for x
    x = 5,214,708,335.58/80,785.97
  6. Step 6: Final answer
    x = 64,549.68

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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.