Home / 93,741.20-140,568.05-54,309.59

Finding the Fourth Proportional to 93,741.20, 140,568.05 and 54,309.59

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Solution

The fourth proportional to 93,741.20, 140,568.05 and 54,309.59 is: 81,439.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,741.20 : 140,568.05 = 54,309.59 : x
  2. Step 2: Convert to fraction form
    93,741.20/140,568.05 = 54,309.59/x
  3. Step 3: Cross multiply
    93,741.20x = 140,568.05 × 54,309.59
  4. Step 4: Simplify right side
    93,741.20x = 7,634,192,188.21
  5. Step 5: Solve for x
    x = 7,634,192,188.21/93,741.20
  6. Step 6: Final answer
    x = 81,439.03

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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.