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Finding the Fourth Proportional to 65,003.38, 97,338.61 and 44,985.16

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Solution

The fourth proportional to 65,003.38, 97,338.61 and 44,985.16 is: 67,362.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,003.38 : 97,338.61 = 44,985.16 : x
  2. Step 2: Convert to fraction form
    65,003.38/97,338.61 = 44,985.16/x
  3. Step 3: Cross multiply
    65,003.38x = 97,338.61 × 44,985.16
  4. Step 4: Simplify right side
    65,003.38x = 4,378,792,945.03
  5. Step 5: Solve for x
    x = 4,378,792,945.03/65,003.38
  6. Step 6: Final answer
    x = 67,362.54

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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.