Home / 52,489.50-72,565.11-50,286.30

Finding the Fourth Proportional to 52,489.50, 72,565.11 and 50,286.30

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Solution

The fourth proportional to 52,489.50, 72,565.11 and 50,286.30 is: 69,519.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,489.50 : 72,565.11 = 50,286.30 : x
  2. Step 2: Convert to fraction form
    52,489.50/72,565.11 = 50,286.30/x
  3. Step 3: Cross multiply
    52,489.50x = 72,565.11 × 50,286.30
  4. Step 4: Simplify right side
    52,489.50x = 3,649,030,890.99
  5. Step 5: Solve for x
    x = 3,649,030,890.99/52,489.50
  6. Step 6: Final answer
    x = 69,519.25

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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.