Home / 72,716.13-109,008.59-50,539.95

Finding the Fourth Proportional to 72,716.13, 109,008.59 and 50,539.95

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Solution

The fourth proportional to 72,716.13, 109,008.59 and 50,539.95 is: 75,764.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,716.13 : 109,008.59 = 50,539.95 : x
  2. Step 2: Convert to fraction form
    72,716.13/109,008.59 = 50,539.95/x
  3. Step 3: Cross multiply
    72,716.13x = 109,008.59 × 50,539.95
  4. Step 4: Simplify right side
    72,716.13x = 5,509,288,435.47
  5. Step 5: Solve for x
    x = 5,509,288,435.47/72,716.13
  6. Step 6: Final answer
    x = 75,764.32

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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.