Home / 54,507.69-75,222.51-30,633.87

Finding the Fourth Proportional to 54,507.69, 75,222.51 and 30,633.87

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Solution

The fourth proportional to 54,507.69, 75,222.51 and 30,633.87 is: 42,275.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,507.69 : 75,222.51 = 30,633.87 : x
  2. Step 2: Convert to fraction form
    54,507.69/75,222.51 = 30,633.87/x
  3. Step 3: Cross multiply
    54,507.69x = 75,222.51 × 30,633.87
  4. Step 4: Simplify right side
    54,507.69x = 2,304,356,592.41
  5. Step 5: Solve for x
    x = 2,304,356,592.41/54,507.69
  6. Step 6: Final answer
    x = 42,275.81

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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.