Home / 63,596.19-87,744.96-39,747.09

Finding the Fourth Proportional to 63,596.19, 87,744.96 and 39,747.09

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Solution

The fourth proportional to 63,596.19, 87,744.96 and 39,747.09 is: 54,839.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,596.19 : 87,744.96 = 39,747.09 : x
  2. Step 2: Convert to fraction form
    63,596.19/87,744.96 = 39,747.09/x
  3. Step 3: Cross multiply
    63,596.19x = 87,744.96 × 39,747.09
  4. Step 4: Simplify right side
    63,596.19x = 3,487,606,822.17
  5. Step 5: Solve for x
    x = 3,487,606,822.17/63,596.19
  6. Step 6: Final answer
    x = 54,839.87

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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.