Home / 85,066.64-117,392.01-49,258.55

Finding the Fourth Proportional to 85,066.64, 117,392.01 and 49,258.55

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Solution

The fourth proportional to 85,066.64, 117,392.01 and 49,258.55 is: 67,976.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,066.64 : 117,392.01 = 49,258.55 : x
  2. Step 2: Convert to fraction form
    85,066.64/117,392.01 = 49,258.55/x
  3. Step 3: Cross multiply
    85,066.64x = 117,392.01 × 49,258.55
  4. Step 4: Simplify right side
    85,066.64x = 5,782,560,194.19
  5. Step 5: Solve for x
    x = 5,782,560,194.19/85,066.64
  6. Step 6: Final answer
    x = 67,976.83

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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.