Home / 80,648.22-111,282.36-46,187.60

Finding the Fourth Proportional to 80,648.22, 111,282.36 and 46,187.60

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Solution

The fourth proportional to 80,648.22, 111,282.36 and 46,187.60 is: 63,731.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,648.22 : 111,282.36 = 46,187.60 : x
  2. Step 2: Convert to fraction form
    80,648.22/111,282.36 = 46,187.60/x
  3. Step 3: Cross multiply
    80,648.22x = 111,282.36 × 46,187.60
  4. Step 4: Simplify right side
    80,648.22x = 5,139,864,401.12
  5. Step 5: Solve for x
    x = 5,139,864,401.12/80,648.22
  6. Step 6: Final answer
    x = 63,731.90

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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.