Home / 101,785.16-140,456.42-58,766.36

Finding the Fourth Proportional to 101,785.16, 140,456.42 and 58,766.36

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Solution

The fourth proportional to 101,785.16, 140,456.42 and 58,766.36 is: 81,093.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,785.16 : 140,456.42 = 58,766.36 : x
  2. Step 2: Convert to fraction form
    101,785.16/140,456.42 = 58,766.36/x
  3. Step 3: Cross multiply
    101,785.16x = 140,456.42 × 58,766.36
  4. Step 4: Simplify right side
    101,785.16x = 8,254,112,542.03
  5. Step 5: Solve for x
    x = 8,254,112,542.03/101,785.16
  6. Step 6: Final answer
    x = 81,093.48

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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.