Home / 88,734.45-122,508.81-56,487.27

Finding the Fourth Proportional to 88,734.45, 122,508.81 and 56,487.27

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Solution

The fourth proportional to 88,734.45, 122,508.81 and 56,487.27 is: 77,987.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,734.45 : 122,508.81 = 56,487.27 : x
  2. Step 2: Convert to fraction form
    88,734.45/122,508.81 = 56,487.27/x
  3. Step 3: Cross multiply
    88,734.45x = 122,508.81 × 56,487.27
  4. Step 4: Simplify right side
    88,734.45x = 6,920,188,227.85
  5. Step 5: Solve for x
    x = 6,920,188,227.85/88,734.45
  6. Step 6: Final answer
    x = 77,987.62

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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.