Home / 81,590.79-122,421.26-44,177.59

Finding the Fourth Proportional to 81,590.79, 122,421.26 and 44,177.59

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Solution

The fourth proportional to 81,590.79, 122,421.26 and 44,177.59 is: 66,285.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,590.79 : 122,421.26 = 44,177.59 : x
  2. Step 2: Convert to fraction form
    81,590.79/122,421.26 = 44,177.59/x
  3. Step 3: Cross multiply
    81,590.79x = 122,421.26 × 44,177.59
  4. Step 4: Simplify right side
    81,590.79x = 5,408,276,231.56
  5. Step 5: Solve for x
    x = 5,408,276,231.56/81,590.79
  6. Step 6: Final answer
    x = 66,285.38

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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.