Home / 55,188.20-76,175.70-36,070.86

Finding the Fourth Proportional to 55,188.20, 76,175.70 and 36,070.86

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Solution

The fourth proportional to 55,188.20, 76,175.70 and 36,070.86 is: 49,788.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,188.20 : 76,175.70 = 36,070.86 : x
  2. Step 2: Convert to fraction form
    55,188.20/76,175.70 = 36,070.86/x
  3. Step 3: Cross multiply
    55,188.20x = 76,175.70 × 36,070.86
  4. Step 4: Simplify right side
    55,188.20x = 2,747,723,010.10
  5. Step 5: Solve for x
    x = 2,747,723,010.10/55,188.20
  6. Step 6: Final answer
    x = 49,788.23

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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.