Home / 71,288.73-106,884.49-36,160.65

Finding the Fourth Proportional to 71,288.73, 106,884.49 and 36,160.65

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Solution

The fourth proportional to 71,288.73, 106,884.49 and 36,160.65 is: 54,216.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,288.73 : 106,884.49 = 36,160.65 : x
  2. Step 2: Convert to fraction form
    71,288.73/106,884.49 = 36,160.65/x
  3. Step 3: Cross multiply
    71,288.73x = 106,884.49 × 36,160.65
  4. Step 4: Simplify right side
    71,288.73x = 3,865,012,633.32
  5. Step 5: Solve for x
    x = 3,865,012,633.32/71,288.73
  6. Step 6: Final answer
    x = 54,216.32

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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.