Home / 73,056.92-109,581.27-19,748.11

Finding the Fourth Proportional to 73,056.92, 109,581.27 and 19,748.11

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Solution

The fourth proportional to 73,056.92, 109,581.27 and 19,748.11 is: 29,621.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,056.92 : 109,581.27 = 19,748.11 : x
  2. Step 2: Convert to fraction form
    73,056.92/109,581.27 = 19,748.11/x
  3. Step 3: Cross multiply
    73,056.92x = 109,581.27 × 19,748.11
  4. Step 4: Simplify right side
    73,056.92x = 2,164,022,973.90
  5. Step 5: Solve for x
    x = 2,164,022,973.90/73,056.92
  6. Step 6: Final answer
    x = 29,621.05

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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.