Home / 67,346.12-101,009.46-20,586.44

Finding the Fourth Proportional to 67,346.12, 101,009.46 and 20,586.44

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Solution

The fourth proportional to 67,346.12, 101,009.46 and 20,586.44 is: 30,876.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,346.12 : 101,009.46 = 20,586.44 : x
  2. Step 2: Convert to fraction form
    67,346.12/101,009.46 = 20,586.44/x
  3. Step 3: Cross multiply
    67,346.12x = 101,009.46 × 20,586.44
  4. Step 4: Simplify right side
    67,346.12x = 2,079,425,187.72
  5. Step 5: Solve for x
    x = 2,079,425,187.72/67,346.12
  6. Step 6: Final answer
    x = 30,876.69

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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.