Home / 84,880.64-117,138.45-50,894.66

Finding the Fourth Proportional to 84,880.64, 117,138.45 and 50,894.66

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Solution

The fourth proportional to 84,880.64, 117,138.45 and 50,894.66 is: 70,236.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,880.64 : 117,138.45 = 50,894.66 : x
  2. Step 2: Convert to fraction form
    84,880.64/117,138.45 = 50,894.66/x
  3. Step 3: Cross multiply
    84,880.64x = 117,138.45 × 50,894.66
  4. Step 4: Simplify right side
    84,880.64x = 5,961,722,069.38
  5. Step 5: Solve for x
    x = 5,961,722,069.38/84,880.64
  6. Step 6: Final answer
    x = 70,236.53

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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.