Home / 83,847.12-115,706.44-46,121.28

Finding the Fourth Proportional to 83,847.12, 115,706.44 and 46,121.28

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Solution

The fourth proportional to 83,847.12, 115,706.44 and 46,121.28 is: 63,645.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,847.12 : 115,706.44 = 46,121.28 : x
  2. Step 2: Convert to fraction form
    83,847.12/115,706.44 = 46,121.28/x
  3. Step 3: Cross multiply
    83,847.12x = 115,706.44 × 46,121.28
  4. Step 4: Simplify right side
    83,847.12x = 5,336,529,117.04
  5. Step 5: Solve for x
    x = 5,336,529,117.04/83,847.12
  6. Step 6: Final answer
    x = 63,645.94

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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.