Home / 78,997.20-118,502.88-22,836.48

Finding the Fourth Proportional to 78,997.20, 118,502.88 and 22,836.48

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Solution

The fourth proportional to 78,997.20, 118,502.88 and 22,836.48 is: 34,256.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,997.20 : 118,502.88 = 22,836.48 : x
  2. Step 2: Convert to fraction form
    78,997.20/118,502.88 = 22,836.48/x
  3. Step 3: Cross multiply
    78,997.20x = 118,502.88 × 22,836.48
  4. Step 4: Simplify right side
    78,997.20x = 2,706,188,649.06
  5. Step 5: Solve for x
    x = 2,706,188,649.06/78,997.20
  6. Step 6: Final answer
    x = 34,256.77

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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.