Home / 67,026.64-100,543.38-17,107.12

Finding the Fourth Proportional to 67,026.64, 100,543.38 and 17,107.12

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Solution

The fourth proportional to 67,026.64, 100,543.38 and 17,107.12 is: 25,661.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,026.64 : 100,543.38 = 17,107.12 : x
  2. Step 2: Convert to fraction form
    67,026.64/100,543.38 = 17,107.12/x
  3. Step 3: Cross multiply
    67,026.64x = 100,543.38 × 17,107.12
  4. Step 4: Simplify right side
    67,026.64x = 1,720,007,666.87
  5. Step 5: Solve for x
    x = 1,720,007,666.87/67,026.64
  6. Step 6: Final answer
    x = 25,661.55

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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.