Home / 63,343.21-87,415.23-38,194.33

Finding the Fourth Proportional to 63,343.21, 87,415.23 and 38,194.33

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Solution

The fourth proportional to 63,343.21, 87,415.23 and 38,194.33 is: 52,709.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,343.21 : 87,415.23 = 38,194.33 : x
  2. Step 2: Convert to fraction form
    63,343.21/87,415.23 = 38,194.33/x
  3. Step 3: Cross multiply
    63,343.21x = 87,415.23 × 38,194.33
  4. Step 4: Simplify right side
    63,343.21x = 3,338,766,141.65
  5. Step 5: Solve for x
    x = 3,338,766,141.65/63,343.21
  6. Step 6: Final answer
    x = 52,709.14

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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.