Home / 57,721.52-86,530.96-31,082.04

Finding the Fourth Proportional to 57,721.52, 86,530.96 and 31,082.04

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Solution

The fourth proportional to 57,721.52, 86,530.96 and 31,082.04 is: 46,595.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,721.52 : 86,530.96 = 31,082.04 : x
  2. Step 2: Convert to fraction form
    57,721.52/86,530.96 = 31,082.04/x
  3. Step 3: Cross multiply
    57,721.52x = 86,530.96 × 31,082.04
  4. Step 4: Simplify right side
    57,721.52x = 2,689,558,759.96
  5. Step 5: Solve for x
    x = 2,689,558,759.96/57,721.52
  6. Step 6: Final answer
    x = 46,595.43

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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.