Home / 124,847.84-172,290.75-68,259.22

Finding the Fourth Proportional to 124,847.84, 172,290.75 and 68,259.22

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Solution

The fourth proportional to 124,847.84, 172,290.75 and 68,259.22 is: 94,198.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,847.84 : 172,290.75 = 68,259.22 : x
  2. Step 2: Convert to fraction form
    124,847.84/172,290.75 = 68,259.22/x
  3. Step 3: Cross multiply
    124,847.84x = 172,290.75 × 68,259.22
  4. Step 4: Simplify right side
    124,847.84x = 11,760,431,521.52
  5. Step 5: Solve for x
    x = 11,760,431,521.52/124,847.84
  6. Step 6: Final answer
    x = 94,198.12

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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.