Home / 67,256.22-100,884.01-20,508.94

Finding the Fourth Proportional to 67,256.22, 100,884.01 and 20,508.94

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Solution

The fourth proportional to 67,256.22, 100,884.01 and 20,508.94 is: 30,763.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,256.22 : 100,884.01 = 20,508.94 : x
  2. Step 2: Convert to fraction form
    67,256.22/100,884.01 = 20,508.94/x
  3. Step 3: Cross multiply
    67,256.22x = 100,884.01 × 20,508.94
  4. Step 4: Simplify right side
    67,256.22x = 2,069,024,108.05
  5. Step 5: Solve for x
    x = 2,069,024,108.05/67,256.22
  6. Step 6: Final answer
    x = 30,763.31

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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.