Home / 54,114.42-74,698.78-48,439.16

Finding the Fourth Proportional to 54,114.42, 74,698.78 and 48,439.16

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Solution

The fourth proportional to 54,114.42, 74,698.78 and 48,439.16 is: 66,864.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,114.42 : 74,698.78 = 48,439.16 : x
  2. Step 2: Convert to fraction form
    54,114.42/74,698.78 = 48,439.16/x
  3. Step 3: Cross multiply
    54,114.42x = 74,698.78 × 48,439.16
  4. Step 4: Simplify right side
    54,114.42x = 3,618,345,661.63
  5. Step 5: Solve for x
    x = 3,618,345,661.63/54,114.42
  6. Step 6: Final answer
    x = 66,864.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.