Home / 48,908.20-73,265.10-28,107.40

Finding the Fourth Proportional to 48,908.20, 73,265.10 and 28,107.40

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Solution

The fourth proportional to 48,908.20, 73,265.10 and 28,107.40 is: 42,105.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,908.20 : 73,265.10 = 28,107.40 : x
  2. Step 2: Convert to fraction form
    48,908.20/73,265.10 = 28,107.40/x
  3. Step 3: Cross multiply
    48,908.20x = 73,265.10 × 28,107.40
  4. Step 4: Simplify right side
    48,908.20x = 2,059,291,471.74
  5. Step 5: Solve for x
    x = 2,059,291,471.74/48,908.20
  6. Step 6: Final answer
    x = 42,105.24

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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.