Home / 68,126.10-102,079.80-44,725.20

Finding the Fourth Proportional to 68,126.10, 102,079.80 and 44,725.20

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Solution

The fourth proportional to 68,126.10, 102,079.80 and 44,725.20 is: 67,016.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,126.10 : 102,079.80 = 44,725.20 : x
  2. Step 2: Convert to fraction form
    68,126.10/102,079.80 = 44,725.20/x
  3. Step 3: Cross multiply
    68,126.10x = 102,079.80 × 44,725.20
  4. Step 4: Simplify right side
    68,126.10x = 4,565,539,470.96
  5. Step 5: Solve for x
    x = 4,565,539,470.96/68,126.10
  6. Step 6: Final answer
    x = 67,016.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.