Home / 54,254.40-81,381.60-50,452.80

Finding the Fourth Proportional to 54,254.40, 81,381.60 and 50,452.80

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Solution

The fourth proportional to 54,254.40, 81,381.60 and 50,452.80 is: 75,679.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,254.40 : 81,381.60 = 50,452.80 : x
  2. Step 2: Convert to fraction form
    54,254.40/81,381.60 = 50,452.80/x
  3. Step 3: Cross multiply
    54,254.40x = 81,381.60 × 50,452.80
  4. Step 4: Simplify right side
    54,254.40x = 4,105,929,588.48
  5. Step 5: Solve for x
    x = 4,105,929,588.48/54,254.40
  6. Step 6: Final answer
    x = 75,679.20

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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.