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Finding the Fourth Proportional to 81,503.57, 122,255.81 and 37,099.27

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Solution

The fourth proportional to 81,503.57, 122,255.81 and 37,099.27 is: 55,649.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,503.57 : 122,255.81 = 37,099.27 : x
  2. Step 2: Convert to fraction form
    81,503.57/122,255.81 = 37,099.27/x
  3. Step 3: Cross multiply
    81,503.57x = 122,255.81 × 37,099.27
  4. Step 4: Simplify right side
    81,503.57x = 4,535,600,618.67
  5. Step 5: Solve for x
    x = 4,535,600,618.67/81,503.57
  6. Step 6: Final answer
    x = 55,649.11

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1.5x scale

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.