Home / 50,865.22-70,149.80-40,236.22

Finding the Fourth Proportional to 50,865.22, 70,149.80 and 40,236.22

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Solution

The fourth proportional to 50,865.22, 70,149.80 and 40,236.22 is: 55,491.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,865.22 : 70,149.80 = 40,236.22 : x
  2. Step 2: Convert to fraction form
    50,865.22/70,149.80 = 40,236.22/x
  3. Step 3: Cross multiply
    50,865.22x = 70,149.80 × 40,236.22
  4. Step 4: Simplify right side
    50,865.22x = 2,822,562,785.76
  5. Step 5: Solve for x
    x = 2,822,562,785.76/50,865.22
  6. Step 6: Final answer
    x = 55,491.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.