Home / 69,389.64-95,757.35-39,174.71

Finding the Fourth Proportional to 69,389.64, 95,757.35 and 39,174.71

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Solution

The fourth proportional to 69,389.64, 95,757.35 and 39,174.71 is: 54,060.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,389.64 : 95,757.35 = 39,174.71 : x
  2. Step 2: Convert to fraction form
    69,389.64/95,757.35 = 39,174.71/x
  3. Step 3: Cross multiply
    69,389.64x = 95,757.35 × 39,174.71
  4. Step 4: Simplify right side
    69,389.64x = 3,751,265,741.96
  5. Step 5: Solve for x
    x = 3,751,265,741.96/69,389.64
  6. Step 6: Final answer
    x = 54,060.89

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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.