Home / 79,122.24-118,627.36-36,957.60

Finding the Fourth Proportional to 79,122.24, 118,627.36 and 36,957.60

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Solution

The fourth proportional to 79,122.24, 118,627.36 and 36,957.60 is: 55,410.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,122.24 : 118,627.36 = 36,957.60 : x
  2. Step 2: Convert to fraction form
    79,122.24/118,627.36 = 36,957.60/x
  3. Step 3: Cross multiply
    79,122.24x = 118,627.36 × 36,957.60
  4. Step 4: Simplify right side
    79,122.24x = 4,384,182,519.94
  5. Step 5: Solve for x
    x = 4,384,182,519.94/79,122.24
  6. Step 6: Final answer
    x = 55,410.24

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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.