Home / 91,272.60-136,907.82-32,108.04

Finding the Fourth Proportional to 91,272.60, 136,907.82 and 32,108.04

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Solution

The fourth proportional to 91,272.60, 136,907.82 and 32,108.04 is: 48,161.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,272.60 : 136,907.82 = 32,108.04 : x
  2. Step 2: Convert to fraction form
    91,272.60/136,907.82 = 32,108.04/x
  3. Step 3: Cross multiply
    91,272.60x = 136,907.82 × 32,108.04
  4. Step 4: Simplify right side
    91,272.60x = 4,395,841,760.87
  5. Step 5: Solve for x
    x = 4,395,841,760.87/91,272.60
  6. Step 6: Final answer
    x = 48,161.68

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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.