Home / 63,031.30-86,982.08-34,351.22

Finding the Fourth Proportional to 63,031.30, 86,982.08 and 34,351.22

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Solution

The fourth proportional to 63,031.30, 86,982.08 and 34,351.22 is: 47,404.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,031.30 : 86,982.08 = 34,351.22 : x
  2. Step 2: Convert to fraction form
    63,031.30/86,982.08 = 34,351.22/x
  3. Step 3: Cross multiply
    63,031.30x = 86,982.08 × 34,351.22
  4. Step 4: Simplify right side
    63,031.30x = 2,987,940,611.84
  5. Step 5: Solve for x
    x = 2,987,940,611.84/63,031.30
  6. Step 6: Final answer
    x = 47,404.08

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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.