Home / 52,716.99-72,742.28-31,491.75

Finding the Fourth Proportional to 52,716.99, 72,742.28 and 31,491.75

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Solution

The fourth proportional to 52,716.99, 72,742.28 and 31,491.75 is: 43,454.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,716.99 : 72,742.28 = 31,491.75 : x
  2. Step 2: Convert to fraction form
    52,716.99/72,742.28 = 31,491.75/x
  3. Step 3: Cross multiply
    52,716.99x = 72,742.28 × 31,491.75
  4. Step 4: Simplify right side
    52,716.99x = 2,290,781,538.73
  5. Step 5: Solve for x
    x = 2,290,781,538.73/52,716.99
  6. Step 6: Final answer
    x = 43,454.33

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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.