Home / 54,504.04-81,711.48-28,216.28

Finding the Fourth Proportional to 54,504.04, 81,711.48 and 28,216.28

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Solution

The fourth proportional to 54,504.04, 81,711.48 and 28,216.28 is: 42,301.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,504.04 : 81,711.48 = 28,216.28 : x
  2. Step 2: Convert to fraction form
    54,504.04/81,711.48 = 28,216.28/x
  3. Step 3: Cross multiply
    54,504.04x = 81,711.48 × 28,216.28
  4. Step 4: Simplify right side
    54,504.04x = 2,305,593,998.89
  5. Step 5: Solve for x
    x = 2,305,593,998.89/54,504.04
  6. Step 6: Final answer
    x = 42,301.34

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1.5x scale

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.