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Finding the Fourth Proportional to 73,136.76, 100,927.98 and 41,305.56

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Solution

The fourth proportional to 73,136.76, 100,927.98 and 41,305.56 is: 57,001.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,136.76 : 100,927.98 = 41,305.56 : x
  2. Step 2: Convert to fraction form
    73,136.76/100,927.98 = 41,305.56/x
  3. Step 3: Cross multiply
    73,136.76x = 100,927.98 × 41,305.56
  4. Step 4: Simplify right side
    73,136.76x = 4,168,886,733.57
  5. Step 5: Solve for x
    x = 4,168,886,733.57/73,136.76
  6. Step 6: Final answer
    x = 57,001.25

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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.