Home / 83,400.97-115,101.58-47,596.37

Finding the Fourth Proportional to 83,400.97, 115,101.58 and 47,596.37

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Solution

The fourth proportional to 83,400.97, 115,101.58 and 47,596.37 is: 65,687.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,400.97 : 115,101.58 = 47,596.37 : x
  2. Step 2: Convert to fraction form
    83,400.97/115,101.58 = 47,596.37/x
  3. Step 3: Cross multiply
    83,400.97x = 115,101.58 × 47,596.37
  4. Step 4: Simplify right side
    83,400.97x = 5,478,416,813.76
  5. Step 5: Solve for x
    x = 5,478,416,813.76/83,400.97
  6. Step 6: Final answer
    x = 65,687.69

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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.