Home / 69,109.56-95,371.20-39,301.56

Finding the Fourth Proportional to 69,109.56, 95,371.20 and 39,301.56

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Solution

The fourth proportional to 69,109.56, 95,371.20 and 39,301.56 is: 54,236.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,109.56 : 95,371.20 = 39,301.56 : x
  2. Step 2: Convert to fraction form
    69,109.56/95,371.20 = 39,301.56/x
  3. Step 3: Cross multiply
    69,109.56x = 95,371.20 × 39,301.56
  4. Step 4: Simplify right side
    69,109.56x = 3,748,236,939.07
  5. Step 5: Solve for x
    x = 3,748,236,939.07/69,109.56
  6. Step 6: Final answer
    x = 54,236.16

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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.