Home / 54,507.70-75,221.36-30,632.95

Finding the Fourth Proportional to 54,507.70, 75,221.36 and 30,632.95

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Solution

The fourth proportional to 54,507.70, 75,221.36 and 30,632.95 is: 42,273.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,507.70 : 75,221.36 = 30,632.95 : x
  2. Step 2: Convert to fraction form
    54,507.70/75,221.36 = 30,632.95/x
  3. Step 3: Cross multiply
    54,507.70x = 75,221.36 × 30,632.95
  4. Step 4: Simplify right side
    54,507.70x = 2,304,252,159.81
  5. Step 5: Solve for x
    x = 2,304,252,159.81/54,507.70
  6. Step 6: Final answer
    x = 42,273.88

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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.