Home / 50,221.09-69,231.09-38,263.69

Finding the Fourth Proportional to 50,221.09, 69,231.09 and 38,263.69

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Solution

The fourth proportional to 50,221.09, 69,231.09 and 38,263.69 is: 52,747.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,221.09 : 69,231.09 = 38,263.69 : x
  2. Step 2: Convert to fraction form
    50,221.09/69,231.09 = 38,263.69/x
  3. Step 3: Cross multiply
    50,221.09x = 69,231.09 × 38,263.69
  4. Step 4: Simplify right side
    50,221.09x = 2,649,036,966.12
  5. Step 5: Solve for x
    x = 2,649,036,966.12/50,221.09
  6. Step 6: Final answer
    x = 52,747.50

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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.