Home / 90,134.46-124,389.44-49,848.23

Finding the Fourth Proportional to 90,134.46, 124,389.44 and 49,848.23

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Solution

The fourth proportional to 90,134.46, 124,389.44 and 49,848.23 is: 68,792.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,134.46 : 124,389.44 = 49,848.23 : x
  2. Step 2: Convert to fraction form
    90,134.46/124,389.44 = 49,848.23/x
  3. Step 3: Cross multiply
    90,134.46x = 124,389.44 × 49,848.23
  4. Step 4: Simplify right side
    90,134.46x = 6,200,593,414.69
  5. Step 5: Solve for x
    x = 6,200,593,414.69/90,134.46
  6. Step 6: Final answer
    x = 68,792.71

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Double scale
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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.