Home / 83,544.21-115,280.34-47,736.54

Finding the Fourth Proportional to 83,544.21, 115,280.34 and 47,736.54

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Solution

The fourth proportional to 83,544.21, 115,280.34 and 47,736.54 is: 65,870.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,544.21 : 115,280.34 = 47,736.54 : x
  2. Step 2: Convert to fraction form
    83,544.21/115,280.34 = 47,736.54/x
  3. Step 3: Cross multiply
    83,544.21x = 115,280.34 × 47,736.54
  4. Step 4: Simplify right side
    83,544.21x = 5,503,084,561.62
  5. Step 5: Solve for x
    x = 5,503,084,561.62/83,544.21
  6. Step 6: Final answer
    x = 65,870.33

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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.