Home / 88,732.45-122,506.05-56,485.27

Finding the Fourth Proportional to 88,732.45, 122,506.05 and 56,485.27

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Solution

The fourth proportional to 88,732.45, 122,506.05 and 56,485.27 is: 77,984.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,732.45 : 122,506.05 = 56,485.27 : x
  2. Step 2: Convert to fraction form
    88,732.45/122,506.05 = 56,485.27/x
  3. Step 3: Cross multiply
    88,732.45x = 122,506.05 × 56,485.27
  4. Step 4: Simplify right side
    88,732.45x = 6,919,787,310.88
  5. Step 5: Solve for x
    x = 6,919,787,310.88/88,732.45
  6. Step 6: Final answer
    x = 77,984.86

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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.