Home / 124,794.78-172,216.73-68,206.15

Finding the Fourth Proportional to 124,794.78, 172,216.73 and 68,206.15

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Solution

The fourth proportional to 124,794.78, 172,216.73 and 68,206.15 is: 94,124.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,794.78 : 172,216.73 = 68,206.15 : x
  2. Step 2: Convert to fraction form
    124,794.78/172,216.73 = 68,206.15/x
  3. Step 3: Cross multiply
    124,794.78x = 172,216.73 × 68,206.15
  4. Step 4: Simplify right side
    124,794.78x = 11,746,240,504.68
  5. Step 5: Solve for x
    x = 11,746,240,504.68/124,794.78
  6. Step 6: Final answer
    x = 94,124.46

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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.