Home / 80,813.01-121,221.48-27,504.90

Finding the Fourth Proportional to 80,813.01, 121,221.48 and 27,504.90

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Solution

The fourth proportional to 80,813.01, 121,221.48 and 27,504.90 is: 41,258.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,813.01 : 121,221.48 = 27,504.90 : x
  2. Step 2: Convert to fraction form
    80,813.01/121,221.48 = 27,504.90/x
  3. Step 3: Cross multiply
    80,813.01x = 121,221.48 × 27,504.90
  4. Step 4: Simplify right side
    80,813.01x = 3,334,184,685.25
  5. Step 5: Solve for x
    x = 3,334,184,685.25/80,813.01
  6. Step 6: Final answer
    x = 41,258.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.