Home / 54,319.14-81,107.10-48,660.28

Finding the Fourth Proportional to 54,319.14, 81,107.10 and 48,660.28

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Solution

The fourth proportional to 54,319.14, 81,107.10 and 48,660.28 is: 72,657.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,319.14 : 81,107.10 = 48,660.28 : x
  2. Step 2: Convert to fraction form
    54,319.14/81,107.10 = 48,660.28/x
  3. Step 3: Cross multiply
    54,319.14x = 81,107.10 × 48,660.28
  4. Step 4: Simplify right side
    54,319.14x = 3,946,694,195.99
  5. Step 5: Solve for x
    x = 3,946,694,195.99/54,319.14
  6. Step 6: Final answer
    x = 72,657.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.