Home / 90,006.31-124,198.06-49,717.65

Finding the Fourth Proportional to 90,006.31, 124,198.06 and 49,717.65

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Solution

The fourth proportional to 90,006.31, 124,198.06 and 49,717.65 is: 68,604.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,006.31 : 124,198.06 = 49,717.65 : x
  2. Step 2: Convert to fraction form
    90,006.31/124,198.06 = 49,717.65/x
  3. Step 3: Cross multiply
    90,006.31x = 124,198.06 × 49,717.65
  4. Step 4: Simplify right side
    90,006.31x = 6,174,835,429.17
  5. Step 5: Solve for x
    x = 6,174,835,429.17/90,006.31
  6. Step 6: Final answer
    x = 68,604.48

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1.5x scale

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.