Home / 57,481.38-86,098.14-31,130.46

Finding the Fourth Proportional to 57,481.38, 86,098.14 and 31,130.46

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Solution

The fourth proportional to 57,481.38, 86,098.14 and 31,130.46 is: 46,628.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,481.38 : 86,098.14 = 31,130.46 : x
  2. Step 2: Convert to fraction form
    57,481.38/86,098.14 = 31,130.46/x
  3. Step 3: Cross multiply
    57,481.38x = 86,098.14 × 31,130.46
  4. Step 4: Simplify right side
    57,481.38x = 2,680,274,703.34
  5. Step 5: Solve for x
    x = 2,680,274,703.34/57,481.38
  6. Step 6: Final answer
    x = 46,628.57

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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.