Home / 82,977.64-124,418.94-56,714.92

Finding the Fourth Proportional to 82,977.64, 124,418.94 and 56,714.92

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Solution

The fourth proportional to 82,977.64, 124,418.94 and 56,714.92 is: 85,039.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,977.64 : 124,418.94 = 56,714.92 : x
  2. Step 2: Convert to fraction form
    82,977.64/124,418.94 = 56,714.92/x
  3. Step 3: Cross multiply
    82,977.64x = 124,418.94 × 56,714.92
  4. Step 4: Simplify right side
    82,977.64x = 7,056,410,228.58
  5. Step 5: Solve for x
    x = 7,056,410,228.58/82,977.64
  6. Step 6: Final answer
    x = 85,039.90

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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.