Home / 63,412.26-95,111.09-21,290.64

Finding the Fourth Proportional to 63,412.26, 95,111.09 and 21,290.64

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Solution

The fourth proportional to 63,412.26, 95,111.09 and 21,290.64 is: 31,933.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,412.26 : 95,111.09 = 21,290.64 : x
  2. Step 2: Convert to fraction form
    63,412.26/95,111.09 = 21,290.64/x
  3. Step 3: Cross multiply
    63,412.26x = 95,111.09 × 21,290.64
  4. Step 4: Simplify right side
    63,412.26x = 2,024,975,977.20
  5. Step 5: Solve for x
    x = 2,024,975,977.20/63,412.26
  6. Step 6: Final answer
    x = 31,933.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.