Home / 66,337.80-91,449.45-50,394.57

Finding the Fourth Proportional to 66,337.80, 91,449.45 and 50,394.57

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Solution

The fourth proportional to 66,337.80, 91,449.45 and 50,394.57 is: 69,471.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,337.80 : 91,449.45 = 50,394.57 : x
  2. Step 2: Convert to fraction form
    66,337.80/91,449.45 = 50,394.57/x
  3. Step 3: Cross multiply
    66,337.80x = 91,449.45 × 50,394.57
  4. Step 4: Simplify right side
    66,337.80x = 4,608,555,709.49
  5. Step 5: Solve for x
    x = 4,608,555,709.49/66,337.80
  6. Step 6: Final answer
    x = 69,471.04

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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.