Home / 90,669.31-125,121.15-50,382.04

Finding the Fourth Proportional to 90,669.31, 125,121.15 and 50,382.04

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Solution

The fourth proportional to 90,669.31, 125,121.15 and 50,382.04 is: 69,525.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,669.31 : 125,121.15 = 50,382.04 : x
  2. Step 2: Convert to fraction form
    90,669.31/125,121.15 = 50,382.04/x
  3. Step 3: Cross multiply
    90,669.31x = 125,121.15 × 50,382.04
  4. Step 4: Simplify right side
    90,669.31x = 6,303,858,784.15
  5. Step 5: Solve for x
    x = 6,303,858,784.15/90,669.31
  6. Step 6: Final answer
    x = 69,525.83

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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.