Home / 54,727.65-75,528.05-30,856.55

Finding the Fourth Proportional to 54,727.65, 75,528.05 and 30,856.55

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Solution

The fourth proportional to 54,727.65, 75,528.05 and 30,856.55 is: 42,584.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,727.65 : 75,528.05 = 30,856.55 : x
  2. Step 2: Convert to fraction form
    54,727.65/75,528.05 = 30,856.55/x
  3. Step 3: Cross multiply
    54,727.65x = 75,528.05 × 30,856.55
  4. Step 4: Simplify right side
    54,727.65x = 2,330,534,519.30
  5. Step 5: Solve for x
    x = 2,330,534,519.30/54,727.65
  6. Step 6: Final answer
    x = 42,584.22

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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.