Home / 82,682.64-114,156.68-73,714.59

Finding the Fourth Proportional to 82,682.64, 114,156.68 and 73,714.59

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Solution

The fourth proportional to 82,682.64, 114,156.68 and 73,714.59 is: 101,774.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,682.64 : 114,156.68 = 73,714.59 : x
  2. Step 2: Convert to fraction form
    82,682.64/114,156.68 = 73,714.59/x
  3. Step 3: Cross multiply
    82,682.64x = 114,156.68 × 73,714.59
  4. Step 4: Simplify right side
    82,682.64x = 8,415,012,493.39
  5. Step 5: Solve for x
    x = 8,415,012,493.39/82,682.64
  6. Step 6: Final answer
    x = 101,774.84

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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.