Home / 57,406.70-85,956.45-36,517.10

Finding the Fourth Proportional to 57,406.70, 85,956.45 and 36,517.10

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Solution

The fourth proportional to 57,406.70, 85,956.45 and 36,517.10 is: 54,677.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,406.70 : 85,956.45 = 36,517.10 : x
  2. Step 2: Convert to fraction form
    57,406.70/85,956.45 = 36,517.10/x
  3. Step 3: Cross multiply
    57,406.70x = 85,956.45 × 36,517.10
  4. Step 4: Simplify right side
    57,406.70x = 3,138,880,280.30
  5. Step 5: Solve for x
    x = 3,138,880,280.30/57,406.70
  6. Step 6: Final answer
    x = 54,677.94

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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.