Home / 52,873.75-72,972.26-30,517.75

Finding the Fourth Proportional to 52,873.75, 72,972.26 and 30,517.75

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Solution

The fourth proportional to 52,873.75, 72,972.26 and 30,517.75 is: 42,118.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,873.75 : 72,972.26 = 30,517.75 : x
  2. Step 2: Convert to fraction form
    52,873.75/72,972.26 = 30,517.75/x
  3. Step 3: Cross multiply
    52,873.75x = 72,972.26 × 30,517.75
  4. Step 4: Simplify right side
    52,873.75x = 2,226,949,187.62
  5. Step 5: Solve for x
    x = 2,226,949,187.62/52,873.75
  6. Step 6: Final answer
    x = 42,118.24

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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.