Home / 82,079.01-113,198.96-56,625.98

Finding the Fourth Proportional to 82,079.01, 113,198.96 and 56,625.98

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Solution

The fourth proportional to 82,079.01, 113,198.96 and 56,625.98 is: 78,095.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,079.01 : 113,198.96 = 56,625.98 : x
  2. Step 2: Convert to fraction form
    82,079.01/113,198.96 = 56,625.98/x
  3. Step 3: Cross multiply
    82,079.01x = 113,198.96 × 56,625.98
  4. Step 4: Simplify right side
    82,079.01x = 6,410,001,195.86
  5. Step 5: Solve for x
    x = 6,410,001,195.86/82,079.01
  6. Step 6: Final answer
    x = 78,095.50

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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.