Home / 49,763.16-68,643-31,851.84

Finding the Fourth Proportional to 49,763.16, 68,643 and 31,851.84

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Solution

The fourth proportional to 49,763.16, 68,643 and 31,851.84 is: 43,936.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,763.16 : 68,643 = 31,851.84 : x
  2. Step 2: Convert to fraction form
    49,763.16/68,643 = 31,851.84/x
  3. Step 3: Cross multiply
    49,763.16x = 68,643 × 31,851.84
  4. Step 4: Simplify right side
    49,763.16x = 2,186,405,853.12
  5. Step 5: Solve for x
    x = 2,186,405,853.12/49,763.16
  6. Step 6: Final answer
    x = 43,936.23

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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.