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Finding the Fourth Proportional to 65,473.81, 98,253.81 and 35,912.43

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Solution

The fourth proportional to 65,473.81, 98,253.81 and 35,912.43 is: 53,892.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,473.81 : 98,253.81 = 35,912.43 : x
  2. Step 2: Convert to fraction form
    65,473.81/98,253.81 = 35,912.43/x
  3. Step 3: Cross multiply
    65,473.81x = 98,253.81 × 35,912.43
  4. Step 4: Simplify right side
    65,473.81x = 3,528,533,073.86
  5. Step 5: Solve for x
    x = 3,528,533,073.86/65,473.81
  6. Step 6: Final answer
    x = 53,892.28

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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.