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Finding the Fourth Proportional to 64,017.49, 88,350 and 35,342.29

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Solution

The fourth proportional to 64,017.49, 88,350 and 35,342.29 is: 48,775.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,017.49 : 88,350 = 35,342.29 : x
  2. Step 2: Convert to fraction form
    64,017.49/88,350 = 35,342.29/x
  3. Step 3: Cross multiply
    64,017.49x = 88,350 × 35,342.29
  4. Step 4: Simplify right side
    64,017.49x = 3,122,491,321.50
  5. Step 5: Solve for x
    x = 3,122,491,321.50/64,017.49
  6. Step 6: Final answer
    x = 48,775.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.