Home / 79,146.46-118,721.20-29,200.84

Finding the Fourth Proportional to 79,146.46, 118,721.20 and 29,200.84

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Solution

The fourth proportional to 79,146.46, 118,721.20 and 29,200.84 is: 43,801.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,146.46 : 118,721.20 = 29,200.84 : x
  2. Step 2: Convert to fraction form
    79,146.46/118,721.20 = 29,200.84/x
  3. Step 3: Cross multiply
    79,146.46x = 118,721.20 × 29,200.84
  4. Step 4: Simplify right side
    79,146.46x = 3,466,758,765.81
  5. Step 5: Solve for x
    x = 3,466,758,765.81/79,146.46
  6. Step 6: Final answer
    x = 43,801.82

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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.