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Finding the Fourth Proportional to 92,751.89, 139,187.97 and 33,582.60

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Solution

The fourth proportional to 92,751.89, 139,187.97 and 33,582.60 is: 50,395.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,751.89 : 139,187.97 = 33,582.60 : x
  2. Step 2: Convert to fraction form
    92,751.89/139,187.97 = 33,582.60/x
  3. Step 3: Cross multiply
    92,751.89x = 139,187.97 × 33,582.60
  4. Step 4: Simplify right side
    92,751.89x = 4,674,293,921.32
  5. Step 5: Solve for x
    x = 4,674,293,921.32/92,751.89
  6. Step 6: Final answer
    x = 50,395.68

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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.