Home / 81,579.56-122,369.76-37,176.17

Finding the Fourth Proportional to 81,579.56, 122,369.76 and 37,176.17

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Solution

The fourth proportional to 81,579.56, 122,369.76 and 37,176.17 is: 55,764.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,579.56 : 122,369.76 = 37,176.17 : x
  2. Step 2: Convert to fraction form
    81,579.56/122,369.76 = 37,176.17/x
  3. Step 3: Cross multiply
    81,579.56x = 122,369.76 × 37,176.17
  4. Step 4: Simplify right side
    81,579.56x = 4,549,239,000.62
  5. Step 5: Solve for x
    x = 4,549,239,000.62/81,579.56
  6. Step 6: Final answer
    x = 55,764.45

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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.