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Finding the Fourth Proportional to 67,419.66, 101,100.08 and 35,822.10

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Solution

The fourth proportional to 67,419.66, 101,100.08 and 35,822.10 is: 53,717.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,419.66 : 101,100.08 = 35,822.10 : x
  2. Step 2: Convert to fraction form
    67,419.66/101,100.08 = 35,822.10/x
  3. Step 3: Cross multiply
    67,419.66x = 101,100.08 × 35,822.10
  4. Step 4: Simplify right side
    67,419.66x = 3,621,616,938.49
  5. Step 5: Solve for x
    x = 3,621,616,938.49/67,419.66
  6. Step 6: Final answer
    x = 53,717.52

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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.