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Finding the Fourth Proportional to 65,244.89, 90,037.96 and 36,950.58

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Solution

The fourth proportional to 65,244.89, 90,037.96 and 36,950.58 is: 50,991.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,244.89 : 90,037.96 = 36,950.58 : x
  2. Step 2: Convert to fraction form
    65,244.89/90,037.96 = 36,950.58/x
  3. Step 3: Cross multiply
    65,244.89x = 90,037.96 × 36,950.58
  4. Step 4: Simplify right side
    65,244.89x = 3,326,954,751.64
  5. Step 5: Solve for x
    x = 3,326,954,751.64/65,244.89
  6. Step 6: Final answer
    x = 50,991.80

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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.