Home / 90,020.22-124,230.41-49,736.58

Finding the Fourth Proportional to 90,020.22, 124,230.41 and 49,736.58

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Solution

The fourth proportional to 90,020.22, 124,230.41 and 49,736.58 is: 68,637.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,020.22 : 124,230.41 = 49,736.58 : x
  2. Step 2: Convert to fraction form
    90,020.22/124,230.41 = 49,736.58/x
  3. Step 3: Cross multiply
    90,020.22x = 124,230.41 × 49,736.58
  4. Step 4: Simplify right side
    90,020.22x = 6,178,795,725.40
  5. Step 5: Solve for x
    x = 6,178,795,725.40/90,020.22
  6. Step 6: Final answer
    x = 68,637.87

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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.