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Finding the Fourth Proportional to 65,537.20, 98,295 and 28,103.32

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Solution

The fourth proportional to 65,537.20, 98,295 and 28,103.32 is: 42,150.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,537.20 : 98,295 = 28,103.32 : x
  2. Step 2: Convert to fraction form
    65,537.20/98,295 = 28,103.32/x
  3. Step 3: Cross multiply
    65,537.20x = 98,295 × 28,103.32
  4. Step 4: Simplify right side
    65,537.20x = 2,762,415,839.40
  5. Step 5: Solve for x
    x = 2,762,415,839.40/65,537.20
  6. Step 6: Final answer
    x = 42,150.35

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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.