Home / 73,943.78-110,914.05-31,851.86

Finding the Fourth Proportional to 73,943.78, 110,914.05 and 31,851.86

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Solution

The fourth proportional to 73,943.78, 110,914.05 and 31,851.86 is: 47,777.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,943.78 : 110,914.05 = 31,851.86 : x
  2. Step 2: Convert to fraction form
    73,943.78/110,914.05 = 31,851.86/x
  3. Step 3: Cross multiply
    73,943.78x = 110,914.05 × 31,851.86
  4. Step 4: Simplify right side
    73,943.78x = 3,532,818,792.63
  5. Step 5: Solve for x
    x = 3,532,818,792.63/73,943.78
  6. Step 6: Final answer
    x = 47,777.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.