Home / 66,460.38-91,714.20-36,245.76

Finding the Fourth Proportional to 66,460.38, 91,714.20 and 36,245.76

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Solution

The fourth proportional to 66,460.38, 91,714.20 and 36,245.76 is: 50,018.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,460.38 : 91,714.20 = 36,245.76 : x
  2. Step 2: Convert to fraction form
    66,460.38/91,714.20 = 36,245.76/x
  3. Step 3: Cross multiply
    66,460.38x = 91,714.20 × 36,245.76
  4. Step 4: Simplify right side
    66,460.38x = 3,324,250,881.79
  5. Step 5: Solve for x
    x = 3,324,250,881.79/66,460.38
  6. Step 6: Final answer
    x = 50,018.54

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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.