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Finding the Fourth Proportional to 62,144.76, 85,770.88 and 36,649.56

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Solution

The fourth proportional to 62,144.76, 85,770.88 and 36,649.56 is: 50,582.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,144.76 : 85,770.88 = 36,649.56 : x
  2. Step 2: Convert to fraction form
    62,144.76/85,770.88 = 36,649.56/x
  3. Step 3: Cross multiply
    62,144.76x = 85,770.88 × 36,649.56
  4. Step 4: Simplify right side
    62,144.76x = 3,143,465,012.81
  5. Step 5: Solve for x
    x = 3,143,465,012.81/62,144.76
  6. Step 6: Final answer
    x = 50,582.95

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1.5x scale

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.