Home / 54,150.96-74,732.04-30,277.20

Finding the Fourth Proportional to 54,150.96, 74,732.04 and 30,277.20

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Solution

The fourth proportional to 54,150.96, 74,732.04 and 30,277.20 is: 41,784.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,150.96 : 74,732.04 = 30,277.20 : x
  2. Step 2: Convert to fraction form
    54,150.96/74,732.04 = 30,277.20/x
  3. Step 3: Cross multiply
    54,150.96x = 74,732.04 × 30,277.20
  4. Step 4: Simplify right side
    54,150.96x = 2,262,676,921.49
  5. Step 5: Solve for x
    x = 2,262,676,921.49/54,150.96
  6. Step 6: Final answer
    x = 41,784.61

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1.5x scale

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.