Home / 83,734.36-115,573.26-47,944.96

Finding the Fourth Proportional to 83,734.36, 115,573.26 and 47,944.96

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Solution

The fourth proportional to 83,734.36, 115,573.26 and 47,944.96 is: 66,175.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,734.36 : 115,573.26 = 47,944.96 : x
  2. Step 2: Convert to fraction form
    83,734.36/115,573.26 = 47,944.96/x
  3. Step 3: Cross multiply
    83,734.36x = 115,573.26 × 47,944.96
  4. Step 4: Simplify right side
    83,734.36x = 5,541,155,327.77
  5. Step 5: Solve for x
    x = 5,541,155,327.77/83,734.36
  6. Step 6: Final answer
    x = 66,175.41

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1.5x scale

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.