Home / 91,267.20-136,921.20-32,104.80

Finding the Fourth Proportional to 91,267.20, 136,921.20 and 32,104.80

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Solution

The fourth proportional to 91,267.20, 136,921.20 and 32,104.80 is: 48,164.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,267.20 : 136,921.20 = 32,104.80 : x
  2. Step 2: Convert to fraction form
    91,267.20/136,921.20 = 32,104.80/x
  3. Step 3: Cross multiply
    91,267.20x = 136,921.20 × 32,104.80
  4. Step 4: Simplify right side
    91,267.20x = 4,395,827,741.76
  5. Step 5: Solve for x
    x = 4,395,827,741.76/91,267.20
  6. Step 6: Final answer
    x = 48,164.38

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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.