Home / 72,299.24-107,967.73-71,517.32

Finding the Fourth Proportional to 72,299.24, 107,967.73 and 71,517.32

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Solution

The fourth proportional to 72,299.24, 107,967.73 and 71,517.32 is: 106,800.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,299.24 : 107,967.73 = 71,517.32 : x
  2. Step 2: Convert to fraction form
    72,299.24/107,967.73 = 71,517.32/x
  3. Step 3: Cross multiply
    72,299.24x = 107,967.73 × 71,517.32
  4. Step 4: Simplify right side
    72,299.24x = 7,721,562,696.08
  5. Step 5: Solve for x
    x = 7,721,562,696.08/72,299.24
  6. Step 6: Final answer
    x = 106,800.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.