Home / 83,553.42-115,238.55-51,739.98

Finding the Fourth Proportional to 83,553.42, 115,238.55 and 51,739.98

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Solution

The fourth proportional to 83,553.42, 115,238.55 and 51,739.98 is: 71,360.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,553.42 : 115,238.55 = 51,739.98 : x
  2. Step 2: Convert to fraction form
    83,553.42/115,238.55 = 51,739.98/x
  3. Step 3: Cross multiply
    83,553.42x = 115,238.55 × 51,739.98
  4. Step 4: Simplify right side
    83,553.42x = 5,962,440,272.23
  5. Step 5: Solve for x
    x = 5,962,440,272.23/83,553.42
  6. Step 6: Final answer
    x = 71,360.82

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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.