Home / 54,318.24-81,244.08-48,356.64

Finding the Fourth Proportional to 54,318.24, 81,244.08 and 48,356.64

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Solution

The fourth proportional to 54,318.24, 81,244.08 and 48,356.64 is: 72,327.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,318.24 : 81,244.08 = 48,356.64 : x
  2. Step 2: Convert to fraction form
    54,318.24/81,244.08 = 48,356.64/x
  3. Step 3: Cross multiply
    54,318.24x = 81,244.08 × 48,356.64
  4. Step 4: Simplify right side
    54,318.24x = 3,928,690,728.69
  5. Step 5: Solve for x
    x = 3,928,690,728.69/54,318.24
  6. Step 6: Final answer
    x = 72,327.28

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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.