Home / 80,645.21-111,278.19-46,184.59

Finding the Fourth Proportional to 80,645.21, 111,278.19 and 46,184.59

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Solution

The fourth proportional to 80,645.21, 111,278.19 and 46,184.59 is: 63,727.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,645.21 : 111,278.19 = 46,184.59 : x
  2. Step 2: Convert to fraction form
    80,645.21/111,278.19 = 46,184.59/x
  3. Step 3: Cross multiply
    80,645.21x = 111,278.19 × 46,184.59
  4. Step 4: Simplify right side
    80,645.21x = 5,139,336,932.88
  5. Step 5: Solve for x
    x = 5,139,336,932.88/80,645.21
  6. Step 6: Final answer
    x = 63,727.74

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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.