Home / 67,341.20-100,995.60-20,594.48

Finding the Fourth Proportional to 67,341.20, 100,995.60 and 20,594.48

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Solution

The fourth proportional to 67,341.20, 100,995.60 and 20,594.48 is: 30,886.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,341.20 : 100,995.60 = 20,594.48 : x
  2. Step 2: Convert to fraction form
    67,341.20/100,995.60 = 20,594.48/x
  3. Step 3: Cross multiply
    67,341.20x = 100,995.60 × 20,594.48
  4. Step 4: Simplify right side
    67,341.20x = 2,079,951,864.29
  5. Step 5: Solve for x
    x = 2,079,951,864.29/67,341.20
  6. Step 6: Final answer
    x = 30,886.77

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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.