Home / 83,744.08-115,573.26-47,945.32

Finding the Fourth Proportional to 83,744.08, 115,573.26 and 47,945.32

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Solution

The fourth proportional to 83,744.08, 115,573.26 and 47,945.32 is: 66,168.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,744.08 : 115,573.26 = 47,945.32 : x
  2. Step 2: Convert to fraction form
    83,744.08/115,573.26 = 47,945.32/x
  3. Step 3: Cross multiply
    83,744.08x = 115,573.26 × 47,945.32
  4. Step 4: Simplify right side
    83,744.08x = 5,541,196,934.14
  5. Step 5: Solve for x
    x = 5,541,196,934.14/83,744.08
  6. Step 6: Final answer
    x = 66,168.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.