Home / 57,833.32-86,696.70-20,372.98

Finding the Fourth Proportional to 57,833.32, 86,696.70 and 20,372.98

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Solution

The fourth proportional to 57,833.32, 86,696.70 and 20,372.98 is: 30,540.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,833.32 : 86,696.70 = 20,372.98 : x
  2. Step 2: Convert to fraction form
    57,833.32/86,696.70 = 20,372.98/x
  3. Step 3: Cross multiply
    57,833.32x = 86,696.70 × 20,372.98
  4. Step 4: Simplify right side
    57,833.32x = 1,766,270,135.17
  5. Step 5: Solve for x
    x = 1,766,270,135.17/57,833.32
  6. Step 6: Final answer
    x = 30,540.70

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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.