Home / 54,558.90-75,287.07-30,680.82

Finding the Fourth Proportional to 54,558.90, 75,287.07 and 30,680.82

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Solution

The fourth proportional to 54,558.90, 75,287.07 and 30,680.82 is: 42,337.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,558.90 : 75,287.07 = 30,680.82 : x
  2. Step 2: Convert to fraction form
    54,558.90/75,287.07 = 30,680.82/x
  3. Step 3: Cross multiply
    54,558.90x = 75,287.07 × 30,680.82
  4. Step 4: Simplify right side
    54,558.90x = 2,309,869,043.00
  5. Step 5: Solve for x
    x = 2,309,869,043.00/54,558.90
  6. Step 6: Final answer
    x = 42,337.16

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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.