Home / 124,974.24-172,464.56-68,385.62

Finding the Fourth Proportional to 124,974.24, 172,464.56 and 68,385.62

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Solution

The fourth proportional to 124,974.24, 172,464.56 and 68,385.62 is: 94,372.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,974.24 : 172,464.56 = 68,385.62 : x
  2. Step 2: Convert to fraction form
    124,974.24/172,464.56 = 68,385.62/x
  3. Step 3: Cross multiply
    124,974.24x = 172,464.56 × 68,385.62
  4. Step 4: Simplify right side
    124,974.24x = 11,794,095,863.63
  5. Step 5: Solve for x
    x = 11,794,095,863.63/124,974.24
  6. Step 6: Final answer
    x = 94,372.22

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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.