Home / 80,815.01-121,224.48-27,506.90

Finding the Fourth Proportional to 80,815.01, 121,224.48 and 27,506.90

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Solution

The fourth proportional to 80,815.01, 121,224.48 and 27,506.90 is: 41,261.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,815.01 : 121,224.48 = 27,506.90 : x
  2. Step 2: Convert to fraction form
    80,815.01/121,224.48 = 27,506.90/x
  3. Step 3: Cross multiply
    80,815.01x = 121,224.48 × 27,506.90
  4. Step 4: Simplify right side
    80,815.01x = 3,334,509,648.91
  5. Step 5: Solve for x
    x = 3,334,509,648.91/80,815.01
  6. Step 6: Final answer
    x = 41,261.02

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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.