Home / 90,084.36-124,316.46-50,340.36

Finding the Fourth Proportional to 90,084.36, 124,316.46 and 50,340.36

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Solution

The fourth proportional to 90,084.36, 124,316.46 and 50,340.36 is: 69,469.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,084.36 : 124,316.46 = 50,340.36 : x
  2. Step 2: Convert to fraction form
    90,084.36/124,316.46 = 50,340.36/x
  3. Step 3: Cross multiply
    90,084.36x = 124,316.46 × 50,340.36
  4. Step 4: Simplify right side
    90,084.36x = 6,258,135,350.33
  5. Step 5: Solve for x
    x = 6,258,135,350.33/90,084.36
  6. Step 6: Final answer
    x = 69,469.72

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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.