Home / 57,015.11-78,685.62-37,861.04

Finding the Fourth Proportional to 57,015.11, 78,685.62 and 37,861.04

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Solution

The fourth proportional to 57,015.11, 78,685.62 and 37,861.04 is: 52,251.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,015.11 : 78,685.62 = 37,861.04 : x
  2. Step 2: Convert to fraction form
    57,015.11/78,685.62 = 37,861.04/x
  3. Step 3: Cross multiply
    57,015.11x = 78,685.62 × 37,861.04
  4. Step 4: Simplify right side
    57,015.11x = 2,979,119,406.24
  5. Step 5: Solve for x
    x = 2,979,119,406.24/57,015.11
  6. Step 6: Final answer
    x = 52,251.40

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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.