Home / 90,684.09-125,144.30-50,397.73

Finding the Fourth Proportional to 90,684.09, 125,144.30 and 50,397.73

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Solution

The fourth proportional to 90,684.09, 125,144.30 and 50,397.73 is: 69,549.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,684.09 : 125,144.30 = 50,397.73 : x
  2. Step 2: Convert to fraction form
    90,684.09/125,144.30 = 50,397.73/x
  3. Step 3: Cross multiply
    90,684.09x = 125,144.30 × 50,397.73
  4. Step 4: Simplify right side
    90,684.09x = 6,306,987,764.73
  5. Step 5: Solve for x
    x = 6,306,987,764.73/90,684.09
  6. Step 6: Final answer
    x = 69,549.00

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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.