Home / 50,187.21-69,257.78-28,966.02

Finding the Fourth Proportional to 50,187.21, 69,257.78 and 28,966.02

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Solution

The fourth proportional to 50,187.21, 69,257.78 and 28,966.02 is: 39,972.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,187.21 : 69,257.78 = 28,966.02 : x
  2. Step 2: Convert to fraction form
    50,187.21/69,257.78 = 28,966.02/x
  3. Step 3: Cross multiply
    50,187.21x = 69,257.78 × 28,966.02
  4. Step 4: Simplify right side
    50,187.21x = 2,006,122,095.81
  5. Step 5: Solve for x
    x = 2,006,122,095.81/50,187.21
  6. Step 6: Final answer
    x = 39,972.78

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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.