Home / 54,732.85-75,535.61-30,541.42

Finding the Fourth Proportional to 54,732.85, 75,535.61 and 30,541.42

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Solution

The fourth proportional to 54,732.85, 75,535.61 and 30,541.42 is: 42,149.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,732.85 : 75,535.61 = 30,541.42 : x
  2. Step 2: Convert to fraction form
    54,732.85/75,535.61 = 30,541.42/x
  3. Step 3: Cross multiply
    54,732.85x = 75,535.61 × 30,541.42
  4. Step 4: Simplify right side
    54,732.85x = 2,306,964,259.58
  5. Step 5: Solve for x
    x = 2,306,964,259.58/54,732.85
  6. Step 6: Final answer
    x = 42,149.54

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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.