Home / 55,420.60-83,183.10-29,144.20

Finding the Fourth Proportional to 55,420.60, 83,183.10 and 29,144.20

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Solution

The fourth proportional to 55,420.60, 83,183.10 and 29,144.20 is: 43,743.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,420.60 : 83,183.10 = 29,144.20 : x
  2. Step 2: Convert to fraction form
    55,420.60/83,183.10 = 29,144.20/x
  3. Step 3: Cross multiply
    55,420.60x = 83,183.10 × 29,144.20
  4. Step 4: Simplify right side
    55,420.60x = 2,424,304,903.02
  5. Step 5: Solve for x
    x = 2,424,304,903.02/55,420.60
  6. Step 6: Final answer
    x = 43,743.75

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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.