Home / 124,705.50-172,093.62-68,116.86

Finding the Fourth Proportional to 124,705.50, 172,093.62 and 68,116.86

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Solution

The fourth proportional to 124,705.50, 172,093.62 and 68,116.86 is: 94,001.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,705.50 : 172,093.62 = 68,116.86 : x
  2. Step 2: Convert to fraction form
    124,705.50/172,093.62 = 68,116.86/x
  3. Step 3: Cross multiply
    124,705.50x = 172,093.62 × 68,116.86
  4. Step 4: Simplify right side
    124,705.50x = 11,722,477,020.43
  5. Step 5: Solve for x
    x = 11,722,477,020.43/124,705.50
  6. Step 6: Final answer
    x = 94,001.28

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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.