Home / 83,695.36-115,485.60-50,161.36

Finding the Fourth Proportional to 83,695.36, 115,485.60 and 50,161.36

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Solution

The fourth proportional to 83,695.36, 115,485.60 and 50,161.36 is: 69,214.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,695.36 : 115,485.60 = 50,161.36 : x
  2. Step 2: Convert to fraction form
    83,695.36/115,485.60 = 50,161.36/x
  3. Step 3: Cross multiply
    83,695.36x = 115,485.60 × 50,161.36
  4. Step 4: Simplify right side
    83,695.36x = 5,792,914,756.42
  5. Step 5: Solve for x
    x = 5,792,914,756.42/83,695.36
  6. Step 6: Final answer
    x = 69,214.29

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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.