Home / 79,869.39-119,759.12-26,532.81

Finding the Fourth Proportional to 79,869.39, 119,759.12 and 26,532.81

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Solution

The fourth proportional to 79,869.39, 119,759.12 and 26,532.81 is: 39,784.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,869.39 : 119,759.12 = 26,532.81 : x
  2. Step 2: Convert to fraction form
    79,869.39/119,759.12 = 26,532.81/x
  3. Step 3: Cross multiply
    79,869.39x = 119,759.12 × 26,532.81
  4. Step 4: Simplify right side
    79,869.39x = 3,177,545,976.73
  5. Step 5: Solve for x
    x = 3,177,545,976.73/79,869.39
  6. Step 6: Final answer
    x = 39,784.28

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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.