Home / 82,177.22-113,384.99-56,675.43

Finding the Fourth Proportional to 82,177.22, 113,384.99 and 56,675.43

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Solution

The fourth proportional to 82,177.22, 113,384.99 and 56,675.43 is: 78,198.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,177.22 : 113,384.99 = 56,675.43 : x
  2. Step 2: Convert to fraction form
    82,177.22/113,384.99 = 56,675.43/x
  3. Step 3: Cross multiply
    82,177.22x = 113,384.99 × 56,675.43
  4. Step 4: Simplify right side
    82,177.22x = 6,426,142,986.35
  5. Step 5: Solve for x
    x = 6,426,142,986.35/82,177.22
  6. Step 6: Final answer
    x = 78,198.60

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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.