Home / 58,516.87-80,753.29-31,659.36

Finding the Fourth Proportional to 58,516.87, 80,753.29 and 31,659.36

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Solution

The fourth proportional to 58,516.87, 80,753.29 and 31,659.36 is: 43,689.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,516.87 : 80,753.29 = 31,659.36 : x
  2. Step 2: Convert to fraction form
    58,516.87/80,753.29 = 31,659.36/x
  3. Step 3: Cross multiply
    58,516.87x = 80,753.29 × 31,659.36
  4. Step 4: Simplify right side
    58,516.87x = 2,556,597,321.00
  5. Step 5: Solve for x
    x = 2,556,597,321.00/58,516.87
  6. Step 6: Final answer
    x = 43,689.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.