Home / 71,155.02-106,713.09-36,046.38

Finding the Fourth Proportional to 71,155.02, 106,713.09 and 36,046.38

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Solution

The fourth proportional to 71,155.02, 106,713.09 and 36,046.38 is: 54,059.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,155.02 : 106,713.09 = 36,046.38 : x
  2. Step 2: Convert to fraction form
    71,155.02/106,713.09 = 36,046.38/x
  3. Step 3: Cross multiply
    71,155.02x = 106,713.09 × 36,046.38
  4. Step 4: Simplify right side
    71,155.02x = 3,846,620,593.11
  5. Step 5: Solve for x
    x = 3,846,620,593.11/71,155.02
  6. Step 6: Final answer
    x = 54,059.72

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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.