Home / 55,076.76-75,996.63-31,198.50

Finding the Fourth Proportional to 55,076.76, 75,996.63 and 31,198.50

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Solution

The fourth proportional to 55,076.76, 75,996.63 and 31,198.50 is: 43,048.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,076.76 : 75,996.63 = 31,198.50 : x
  2. Step 2: Convert to fraction form
    55,076.76/75,996.63 = 31,198.50/x
  3. Step 3: Cross multiply
    55,076.76x = 75,996.63 × 31,198.50
  4. Step 4: Simplify right side
    55,076.76x = 2,370,980,861.06
  5. Step 5: Solve for x
    x = 2,370,980,861.06/55,076.76
  6. Step 6: Final answer
    x = 43,048.66

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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.