Home / 67,979.64-101,969.46-26,436.36

Finding the Fourth Proportional to 67,979.64, 101,969.46 and 26,436.36

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Solution

The fourth proportional to 67,979.64, 101,969.46 and 26,436.36 is: 39,654.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,979.64 : 101,969.46 = 26,436.36 : x
  2. Step 2: Convert to fraction form
    67,979.64/101,969.46 = 26,436.36/x
  3. Step 3: Cross multiply
    67,979.64x = 101,969.46 × 26,436.36
  4. Step 4: Simplify right side
    67,979.64x = 2,695,701,353.57
  5. Step 5: Solve for x
    x = 2,695,701,353.57/67,979.64
  6. Step 6: Final answer
    x = 39,654.54

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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.