Home / 84,847.69-116,993.85-54,180.46

Finding the Fourth Proportional to 84,847.69, 116,993.85 and 54,180.46

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Solution

The fourth proportional to 84,847.69, 116,993.85 and 54,180.46 is: 74,707.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,847.69 : 116,993.85 = 54,180.46 : x
  2. Step 2: Convert to fraction form
    84,847.69/116,993.85 = 54,180.46/x
  3. Step 3: Cross multiply
    84,847.69x = 116,993.85 × 54,180.46
  4. Step 4: Simplify right side
    84,847.69x = 6,338,780,317.69
  5. Step 5: Solve for x
    x = 6,338,780,317.69/84,847.69
  6. Step 6: Final answer
    x = 74,707.76

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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.