Home / 79,261.20-118,897.20-25,221.60

Finding the Fourth Proportional to 79,261.20, 118,897.20 and 25,221.60

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Solution

The fourth proportional to 79,261.20, 118,897.20 and 25,221.60 is: 37,834.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,261.20 : 118,897.20 = 25,221.60 : x
  2. Step 2: Convert to fraction form
    79,261.20/118,897.20 = 25,221.60/x
  3. Step 3: Cross multiply
    79,261.20x = 118,897.20 × 25,221.60
  4. Step 4: Simplify right side
    79,261.20x = 2,998,777,619.52
  5. Step 5: Solve for x
    x = 2,998,777,619.52/79,261.20
  6. Step 6: Final answer
    x = 37,834.12

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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.