Home / 67,120.31-100,680.01-22,778.28

Finding the Fourth Proportional to 67,120.31, 100,680.01 and 22,778.28

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Solution

The fourth proportional to 67,120.31, 100,680.01 and 22,778.28 is: 34,167.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,120.31 : 100,680.01 = 22,778.28 : x
  2. Step 2: Convert to fraction form
    67,120.31/100,680.01 = 22,778.28/x
  3. Step 3: Cross multiply
    67,120.31x = 100,680.01 × 22,778.28
  4. Step 4: Simplify right side
    67,120.31x = 2,293,316,840.89
  5. Step 5: Solve for x
    x = 2,293,316,840.89/67,120.31
  6. Step 6: Final answer
    x = 34,167.26

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1.5x scale

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.