Home / 54,904.88-81,650.98-53,155.28

Finding the Fourth Proportional to 54,904.88, 81,650.98 and 53,155.28

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Solution

The fourth proportional to 54,904.88, 81,650.98 and 53,155.28 is: 79,049.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,904.88 : 81,650.98 = 53,155.28 : x
  2. Step 2: Convert to fraction form
    54,904.88/81,650.98 = 53,155.28/x
  3. Step 3: Cross multiply
    54,904.88x = 81,650.98 × 53,155.28
  4. Step 4: Simplify right side
    54,904.88x = 4,340,180,704.17
  5. Step 5: Solve for x
    x = 4,340,180,704.17/54,904.88
  6. Step 6: Final answer
    x = 79,049.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.