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Finding the Fourth Proportional to 92,723.70, 139,085.55 and 33,601.80

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Solution

The fourth proportional to 92,723.70, 139,085.55 and 33,601.80 is: 50,402.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,723.70 : 139,085.55 = 33,601.80 : x
  2. Step 2: Convert to fraction form
    92,723.70/139,085.55 = 33,601.80/x
  3. Step 3: Cross multiply
    92,723.70x = 139,085.55 × 33,601.80
  4. Step 4: Simplify right side
    92,723.70x = 4,673,524,833.99
  5. Step 5: Solve for x
    x = 4,673,524,833.99/92,723.70
  6. Step 6: Final answer
    x = 50,402.70

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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.