Home / 90,664.67-125,120.55-50,382.41

Finding the Fourth Proportional to 90,664.67, 125,120.55 and 50,382.41

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Solution

The fourth proportional to 90,664.67, 125,120.55 and 50,382.41 is: 69,529.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,664.67 : 125,120.55 = 50,382.41 : x
  2. Step 2: Convert to fraction form
    90,664.67/125,120.55 = 50,382.41/x
  3. Step 3: Cross multiply
    90,664.67x = 125,120.55 × 50,382.41
  4. Step 4: Simplify right side
    90,664.67x = 6,303,874,129.46
  5. Step 5: Solve for x
    x = 6,303,874,129.46/90,664.67
  6. Step 6: Final answer
    x = 69,529.56

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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.