Home / 124,651.46-172,018.32-68,062.43

Finding the Fourth Proportional to 124,651.46, 172,018.32 and 68,062.43

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Solution

The fourth proportional to 124,651.46, 172,018.32 and 68,062.43 is: 93,925.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,651.46 : 172,018.32 = 68,062.43 : x
  2. Step 2: Convert to fraction form
    124,651.46/172,018.32 = 68,062.43/x
  3. Step 3: Cross multiply
    124,651.46x = 172,018.32 × 68,062.43
  4. Step 4: Simplify right side
    124,651.46x = 11,707,984,863.72
  5. Step 5: Solve for x
    x = 11,707,984,863.72/124,651.46
  6. Step 6: Final answer
    x = 93,925.77

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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.