Home / 90,099.73-124,340.22-49,816.09

Finding the Fourth Proportional to 90,099.73, 124,340.22 and 49,816.09

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Solution

The fourth proportional to 90,099.73, 124,340.22 and 49,816.09 is: 68,747.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,099.73 : 124,340.22 = 49,816.09 : x
  2. Step 2: Convert to fraction form
    90,099.73/124,340.22 = 49,816.09/x
  3. Step 3: Cross multiply
    90,099.73x = 124,340.22 × 49,816.09
  4. Step 4: Simplify right side
    90,099.73x = 6,194,143,590.14
  5. Step 5: Solve for x
    x = 6,194,143,590.14/90,099.73
  6. Step 6: Final answer
    x = 68,747.64

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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.