Home / 54,727.72-75,528.83-30,859.34

Finding the Fourth Proportional to 54,727.72, 75,528.83 and 30,859.34

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Solution

The fourth proportional to 54,727.72, 75,528.83 and 30,859.34 is: 42,588.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,727.72 : 75,528.83 = 30,859.34 : x
  2. Step 2: Convert to fraction form
    54,727.72/75,528.83 = 30,859.34/x
  3. Step 3: Cross multiply
    54,727.72x = 75,528.83 × 30,859.34
  4. Step 4: Simplify right side
    54,727.72x = 2,330,769,544.28
  5. Step 5: Solve for x
    x = 2,330,769,544.28/54,727.72
  6. Step 6: Final answer
    x = 42,588.47

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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.