Home / 75,138.02-112,712.49-22,551.60

Finding the Fourth Proportional to 75,138.02, 112,712.49 and 22,551.60

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Solution

The fourth proportional to 75,138.02, 112,712.49 and 22,551.60 is: 33,829.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,138.02 : 112,712.49 = 22,551.60 : x
  2. Step 2: Convert to fraction form
    75,138.02/112,712.49 = 22,551.60/x
  3. Step 3: Cross multiply
    75,138.02x = 112,712.49 × 22,551.60
  4. Step 4: Simplify right side
    75,138.02x = 2,541,846,989.48
  5. Step 5: Solve for x
    x = 2,541,846,989.48/75,138.02
  6. Step 6: Final answer
    x = 33,829.04

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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.