Home / 63,029.12-86,972.28-36,168.08

Finding the Fourth Proportional to 63,029.12, 86,972.28 and 36,168.08

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Solution

The fourth proportional to 63,029.12, 86,972.28 and 36,168.08 is: 49,907.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,029.12 : 86,972.28 = 36,168.08 : x
  2. Step 2: Convert to fraction form
    63,029.12/86,972.28 = 36,168.08/x
  3. Step 3: Cross multiply
    63,029.12x = 86,972.28 × 36,168.08
  4. Step 4: Simplify right side
    63,029.12x = 3,145,620,380.82
  5. Step 5: Solve for x
    x = 3,145,620,380.82/63,029.12
  6. Step 6: Final answer
    x = 49,907.41

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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.