Home / 54,854.11-82,277.06-19,793.76

Finding the Fourth Proportional to 54,854.11, 82,277.06 and 19,793.76

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Solution

The fourth proportional to 54,854.11, 82,277.06 and 19,793.76 is: 29,689.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,854.11 : 82,277.06 = 19,793.76 : x
  2. Step 2: Convert to fraction form
    54,854.11/82,277.06 = 19,793.76/x
  3. Step 3: Cross multiply
    54,854.11x = 82,277.06 × 19,793.76
  4. Step 4: Simplify right side
    54,854.11x = 1,628,572,485.87
  5. Step 5: Solve for x
    x = 1,628,572,485.87/54,854.11
  6. Step 6: Final answer
    x = 29,689.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.