Home / 83,695.36-125,542.86-21,365.86

Finding the Fourth Proportional to 83,695.36, 125,542.86 and 21,365.86

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Solution

The fourth proportional to 83,695.36, 125,542.86 and 21,365.86 is: 32,048.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,695.36 : 125,542.86 = 21,365.86 : x
  2. Step 2: Convert to fraction form
    83,695.36/125,542.86 = 21,365.86/x
  3. Step 3: Cross multiply
    83,695.36x = 125,542.86 × 21,365.86
  4. Step 4: Simplify right side
    83,695.36x = 2,682,331,170.76
  5. Step 5: Solve for x
    x = 2,682,331,170.76/83,695.36
  6. Step 6: Final answer
    x = 32,048.74

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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.