Home / 48,092.28-72,115.71-28,107.51

Finding the Fourth Proportional to 48,092.28, 72,115.71 and 28,107.51

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Solution

The fourth proportional to 48,092.28, 72,115.71 and 28,107.51 is: 42,147.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,092.28 : 72,115.71 = 28,107.51 : x
  2. Step 2: Convert to fraction form
    48,092.28/72,115.71 = 28,107.51/x
  3. Step 3: Cross multiply
    48,092.28x = 72,115.71 × 28,107.51
  4. Step 4: Simplify right side
    48,092.28x = 2,026,993,039.98
  5. Step 5: Solve for x
    x = 2,026,993,039.98/48,092.28
  6. Step 6: Final answer
    x = 42,147.99

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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.