Home / 71,209.20-98,268.54-40,983.50

Finding the Fourth Proportional to 71,209.20, 98,268.54 and 40,983.50

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Solution

The fourth proportional to 71,209.20, 98,268.54 and 40,983.50 is: 56,557.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,209.20 : 98,268.54 = 40,983.50 : x
  2. Step 2: Convert to fraction form
    71,209.20/98,268.54 = 40,983.50/x
  3. Step 3: Cross multiply
    71,209.20x = 98,268.54 × 40,983.50
  4. Step 4: Simplify right side
    71,209.20x = 4,027,388,709.09
  5. Step 5: Solve for x
    x = 4,027,388,709.09/71,209.20
  6. Step 6: Final answer
    x = 56,557.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.