Home / 124,838.07-172,276.50-68,249.44

Finding the Fourth Proportional to 124,838.07, 172,276.50 and 68,249.44

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Solution

The fourth proportional to 124,838.07, 172,276.50 and 68,249.44 is: 94,184.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,838.07 : 172,276.50 = 68,249.44 : x
  2. Step 2: Convert to fraction form
    124,838.07/172,276.50 = 68,249.44/x
  3. Step 3: Cross multiply
    124,838.07x = 172,276.50 × 68,249.44
  4. Step 4: Simplify right side
    124,838.07x = 11,757,774,650.16
  5. Step 5: Solve for x
    x = 11,757,774,650.16/124,838.07
  6. Step 6: Final answer
    x = 94,184.21

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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.