Home / 83,557.22-125,415.41-51,871.39

Finding the Fourth Proportional to 83,557.22, 125,415.41 and 51,871.39

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Solution

The fourth proportional to 83,557.22, 125,415.41 and 51,871.39 is: 77,856.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,557.22 : 125,415.41 = 51,871.39 : x
  2. Step 2: Convert to fraction form
    83,557.22/125,415.41 = 51,871.39/x
  3. Step 3: Cross multiply
    83,557.22x = 125,415.41 × 51,871.39
  4. Step 4: Simplify right side
    83,557.22x = 6,505,471,508.89
  5. Step 5: Solve for x
    x = 6,505,471,508.89/83,557.22
  6. Step 6: Final answer
    x = 77,856.49

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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.