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Finding the Fourth Proportional to 65,570.52, 98,414.52 and 34,003.20

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Solution

The fourth proportional to 65,570.52, 98,414.52 and 34,003.20 is: 51,035.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,570.52 : 98,414.52 = 34,003.20 : x
  2. Step 2: Convert to fraction form
    65,570.52/98,414.52 = 34,003.20/x
  3. Step 3: Cross multiply
    65,570.52x = 98,414.52 × 34,003.20
  4. Step 4: Simplify right side
    65,570.52x = 3,346,408,606.46
  5. Step 5: Solve for x
    x = 3,346,408,606.46/65,570.52
  6. Step 6: Final answer
    x = 51,035.26

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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.