Home / 83,433.94-115,121.58-47,635.60

Finding the Fourth Proportional to 83,433.94, 115,121.58 and 47,635.60

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Solution

The fourth proportional to 83,433.94, 115,121.58 and 47,635.60 is: 65,727.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,433.94 : 115,121.58 = 47,635.60 : x
  2. Step 2: Convert to fraction form
    83,433.94/115,121.58 = 47,635.60/x
  3. Step 3: Cross multiply
    83,433.94x = 115,121.58 × 47,635.60
  4. Step 4: Simplify right side
    83,433.94x = 5,483,885,536.25
  5. Step 5: Solve for x
    x = 5,483,885,536.25/83,433.94
  6. Step 6: Final answer
    x = 65,727.28

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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.