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Finding the Fourth Proportional to 64,936.71, 97,347.33 and 34,967.30

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Solution

The fourth proportional to 64,936.71, 97,347.33 and 34,967.30 is: 52,419.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,936.71 : 97,347.33 = 34,967.30 : x
  2. Step 2: Convert to fraction form
    64,936.71/97,347.33 = 34,967.30/x
  3. Step 3: Cross multiply
    64,936.71x = 97,347.33 × 34,967.30
  4. Step 4: Simplify right side
    64,936.71x = 3,403,972,805.57
  5. Step 5: Solve for x
    x = 3,403,972,805.57/64,936.71
  6. Step 6: Final answer
    x = 52,419.85

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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.