Home / 84,687.24-127,080.07-37,940.12

Finding the Fourth Proportional to 84,687.24, 127,080.07 and 37,940.12

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Solution

The fourth proportional to 84,687.24, 127,080.07 and 37,940.12 is: 56,932.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,687.24 : 127,080.07 = 37,940.12 : x
  2. Step 2: Convert to fraction form
    84,687.24/127,080.07 = 37,940.12/x
  3. Step 3: Cross multiply
    84,687.24x = 127,080.07 × 37,940.12
  4. Step 4: Simplify right side
    84,687.24x = 4,821,433,105.41
  5. Step 5: Solve for x
    x = 4,821,433,105.41/84,687.24
  6. Step 6: Final answer
    x = 56,932.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.