Home / 88,041.40-131,923.38-68,099.64

Finding the Fourth Proportional to 88,041.40, 131,923.38 and 68,099.64

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Solution

The fourth proportional to 88,041.40, 131,923.38 and 68,099.64 is: 102,042.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,041.40 : 131,923.38 = 68,099.64 : x
  2. Step 2: Convert to fraction form
    88,041.40/131,923.38 = 68,099.64/x
  3. Step 3: Cross multiply
    88,041.40x = 131,923.38 × 68,099.64
  4. Step 4: Simplify right side
    88,041.40x = 8,983,934,685.58
  5. Step 5: Solve for x
    x = 8,983,934,685.58/88,041.40
  6. Step 6: Final answer
    x = 102,042.16

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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.