Home / 52,390.54-72,298.87-28,517.14

Finding the Fourth Proportional to 52,390.54, 72,298.87 and 28,517.14

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Solution

The fourth proportional to 52,390.54, 72,298.87 and 28,517.14 is: 39,353.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,390.54 : 72,298.87 = 28,517.14 : x
  2. Step 2: Convert to fraction form
    52,390.54/72,298.87 = 28,517.14/x
  3. Step 3: Cross multiply
    52,390.54x = 72,298.87 × 28,517.14
  4. Step 4: Simplify right side
    52,390.54x = 2,061,756,997.63
  5. Step 5: Solve for x
    x = 2,061,756,997.63/52,390.54
  6. Step 6: Final answer
    x = 39,353.61

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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.