Home / 84,119.19-116,080.39-50,126.92

Finding the Fourth Proportional to 84,119.19, 116,080.39 and 50,126.92

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Solution

The fourth proportional to 84,119.19, 116,080.39 and 50,126.92 is: 69,172.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,119.19 : 116,080.39 = 50,126.92 : x
  2. Step 2: Convert to fraction form
    84,119.19/116,080.39 = 50,126.92/x
  3. Step 3: Cross multiply
    84,119.19x = 116,080.39 × 50,126.92
  4. Step 4: Simplify right side
    84,119.19x = 5,818,752,566.54
  5. Step 5: Solve for x
    x = 5,818,752,566.54/84,119.19
  6. Step 6: Final answer
    x = 69,172.71

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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.