Home / 71,923.10-107,884.49-19,332.59

Finding the Fourth Proportional to 71,923.10, 107,884.49 and 19,332.59

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Solution

The fourth proportional to 71,923.10, 107,884.49 and 19,332.59 is: 28,998.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,923.10 : 107,884.49 = 19,332.59 : x
  2. Step 2: Convert to fraction form
    71,923.10/107,884.49 = 19,332.59/x
  3. Step 3: Cross multiply
    71,923.10x = 107,884.49 × 19,332.59
  4. Step 4: Simplify right side
    71,923.10x = 2,085,685,976.44
  5. Step 5: Solve for x
    x = 2,085,685,976.44/71,923.10
  6. Step 6: Final answer
    x = 28,998.84

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1.5x scale

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.