Home / 54,528.72-81,793.08-15,085.86

Finding the Fourth Proportional to 54,528.72, 81,793.08 and 15,085.86

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Solution

The fourth proportional to 54,528.72, 81,793.08 and 15,085.86 is: 22,628.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,528.72 : 81,793.08 = 15,085.86 : x
  2. Step 2: Convert to fraction form
    54,528.72/81,793.08 = 15,085.86/x
  3. Step 3: Cross multiply
    54,528.72x = 81,793.08 × 15,085.86
  4. Step 4: Simplify right side
    54,528.72x = 1,233,918,953.85
  5. Step 5: Solve for x
    x = 1,233,918,953.85/54,528.72
  6. Step 6: Final answer
    x = 22,628.79

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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.