Home / 79,143.33-118,716.52-29,197.72

Finding the Fourth Proportional to 79,143.33, 118,716.52 and 29,197.72

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Solution

The fourth proportional to 79,143.33, 118,716.52 and 29,197.72 is: 43,797.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,143.33 : 118,716.52 = 29,197.72 : x
  2. Step 2: Convert to fraction form
    79,143.33/118,716.52 = 29,197.72/x
  3. Step 3: Cross multiply
    79,143.33x = 118,716.52 × 29,197.72
  4. Step 4: Simplify right side
    79,143.33x = 3,466,251,340.55
  5. Step 5: Solve for x
    x = 3,466,251,340.55/79,143.33
  6. Step 6: Final answer
    x = 43,797.14

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1.5x scale

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.