Home / 84,857.63-117,107.17-47,131.88

Finding the Fourth Proportional to 84,857.63, 117,107.17 and 47,131.88

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Solution

The fourth proportional to 84,857.63, 117,107.17 and 47,131.88 is: 65,044.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,857.63 : 117,107.17 = 47,131.88 : x
  2. Step 2: Convert to fraction form
    84,857.63/117,107.17 = 47,131.88/x
  3. Step 3: Cross multiply
    84,857.63x = 117,107.17 × 47,131.88
  4. Step 4: Simplify right side
    84,857.63x = 5,519,480,380.21
  5. Step 5: Solve for x
    x = 5,519,480,380.21/84,857.63
  6. Step 6: Final answer
    x = 65,044.01

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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.