Home / 54,316.80-81,475.20-50,380.20

Finding the Fourth Proportional to 54,316.80, 81,475.20 and 50,380.20

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Solution

The fourth proportional to 54,316.80, 81,475.20 and 50,380.20 is: 75,570.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,316.80 : 81,475.20 = 50,380.20 : x
  2. Step 2: Convert to fraction form
    54,316.80/81,475.20 = 50,380.20/x
  3. Step 3: Cross multiply
    54,316.80x = 81,475.20 × 50,380.20
  4. Step 4: Simplify right side
    54,316.80x = 4,104,736,871.04
  5. Step 5: Solve for x
    x = 4,104,736,871.04/54,316.80
  6. Step 6: Final answer
    x = 75,570.30

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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.