Home / 73,156.52-109,742.06-19,849.32

Finding the Fourth Proportional to 73,156.52, 109,742.06 and 19,849.32

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Solution

The fourth proportional to 73,156.52, 109,742.06 and 19,849.32 is: 29,775.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,156.52 : 109,742.06 = 19,849.32 : x
  2. Step 2: Convert to fraction form
    73,156.52/109,742.06 = 19,849.32/x
  3. Step 3: Cross multiply
    73,156.52x = 109,742.06 × 19,849.32
  4. Step 4: Simplify right side
    73,156.52x = 2,178,305,316.02
  5. Step 5: Solve for x
    x = 2,178,305,316.02/73,156.52
  6. Step 6: Final answer
    x = 29,775.95

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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.