Home / 84,009.54-126,067.06-34,089.85

Finding the Fourth Proportional to 84,009.54, 126,067.06 and 34,089.85

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Solution

The fourth proportional to 84,009.54, 126,067.06 and 34,089.85 is: 51,156.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,009.54 : 126,067.06 = 34,089.85 : x
  2. Step 2: Convert to fraction form
    84,009.54/126,067.06 = 34,089.85/x
  3. Step 3: Cross multiply
    84,009.54x = 126,067.06 × 34,089.85
  4. Step 4: Simplify right side
    84,009.54x = 4,297,606,535.01
  5. Step 5: Solve for x
    x = 4,297,606,535.01/84,009.54
  6. Step 6: Final answer
    x = 51,156.17

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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.