Home / 67,209.07-100,814.60-17,288.05

Finding the Fourth Proportional to 67,209.07, 100,814.60 and 17,288.05

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Solution

The fourth proportional to 67,209.07, 100,814.60 and 17,288.05 is: 25,932.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,209.07 : 100,814.60 = 17,288.05 : x
  2. Step 2: Convert to fraction form
    67,209.07/100,814.60 = 17,288.05/x
  3. Step 3: Cross multiply
    67,209.07x = 100,814.60 × 17,288.05
  4. Step 4: Simplify right side
    67,209.07x = 1,742,887,845.53
  5. Step 5: Solve for x
    x = 1,742,887,845.53/67,209.07
  6. Step 6: Final answer
    x = 25,932.33

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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.