Home / 69,011.96-95,239.89-38,806.79

Finding the Fourth Proportional to 69,011.96, 95,239.89 and 38,806.79

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Solution

The fourth proportional to 69,011.96, 95,239.89 and 38,806.79 is: 53,555.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,011.96 : 95,239.89 = 38,806.79 : x
  2. Step 2: Convert to fraction form
    69,011.96/95,239.89 = 38,806.79/x
  3. Step 3: Cross multiply
    69,011.96x = 95,239.89 × 38,806.79
  4. Step 4: Simplify right side
    69,011.96x = 3,695,954,216.82
  5. Step 5: Solve for x
    x = 3,695,954,216.82/69,011.96
  6. Step 6: Final answer
    x = 53,555.27

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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.