Home / 57,320.10-85,834.35-54,695.70

Finding the Fourth Proportional to 57,320.10, 85,834.35 and 54,695.70

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Solution

The fourth proportional to 57,320.10, 85,834.35 and 54,695.70 is: 81,904.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,320.10 : 85,834.35 = 54,695.70 : x
  2. Step 2: Convert to fraction form
    57,320.10/85,834.35 = 54,695.70/x
  3. Step 3: Cross multiply
    57,320.10x = 85,834.35 × 54,695.70
  4. Step 4: Simplify right side
    57,320.10x = 4,694,769,857.30
  5. Step 5: Solve for x
    x = 4,694,769,857.30/57,320.10
  6. Step 6: Final answer
    x = 81,904.43

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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.