Home / 67,126.77-100,678.64-17,867.25

Finding the Fourth Proportional to 67,126.77, 100,678.64 and 17,867.25

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Solution

The fourth proportional to 67,126.77, 100,678.64 and 17,867.25 is: 26,797.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,126.77 : 100,678.64 = 17,867.25 : x
  2. Step 2: Convert to fraction form
    67,126.77/100,678.64 = 17,867.25/x
  3. Step 3: Cross multiply
    67,126.77x = 100,678.64 × 17,867.25
  4. Step 4: Simplify right side
    67,126.77x = 1,798,850,341.20
  5. Step 5: Solve for x
    x = 1,798,850,341.20/67,126.77
  6. Step 6: Final answer
    x = 26,797.81

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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.