Home / 84,049.81-115,963.99-50,041.28

Finding the Fourth Proportional to 84,049.81, 115,963.99 and 50,041.28

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Solution

The fourth proportional to 84,049.81, 115,963.99 and 50,041.28 is: 69,042.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,049.81 : 115,963.99 = 50,041.28 : x
  2. Step 2: Convert to fraction form
    84,049.81/115,963.99 = 50,041.28/x
  3. Step 3: Cross multiply
    84,049.81x = 115,963.99 × 50,041.28
  4. Step 4: Simplify right side
    84,049.81x = 5,802,986,658.31
  5. Step 5: Solve for x
    x = 5,802,986,658.31/84,049.81
  6. Step 6: Final answer
    x = 69,042.24

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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.