Home / 84,296.43-125,550.22-83,889.03

Finding the Fourth Proportional to 84,296.43, 125,550.22 and 83,889.03

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Solution

The fourth proportional to 84,296.43, 125,550.22 and 83,889.03 is: 124,943.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,296.43 : 125,550.22 = 83,889.03 : x
  2. Step 2: Convert to fraction form
    84,296.43/125,550.22 = 83,889.03/x
  3. Step 3: Cross multiply
    84,296.43x = 125,550.22 × 83,889.03
  4. Step 4: Simplify right side
    84,296.43x = 10,532,286,172.09
  5. Step 5: Solve for x
    x = 10,532,286,172.09/84,296.43
  6. Step 6: Final answer
    x = 124,943.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.