Home / 104,243.07-143,851.56-56,495.39

Finding the Fourth Proportional to 104,243.07, 143,851.56 and 56,495.39

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Solution

The fourth proportional to 104,243.07, 143,851.56 and 56,495.39 is: 77,961.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,243.07 : 143,851.56 = 56,495.39 : x
  2. Step 2: Convert to fraction form
    104,243.07/143,851.56 = 56,495.39/x
  3. Step 3: Cross multiply
    104,243.07x = 143,851.56 × 56,495.39
  4. Step 4: Simplify right side
    104,243.07x = 8,126,949,265.05
  5. Step 5: Solve for x
    x = 8,126,949,265.05/104,243.07
  6. Step 6: Final answer
    x = 77,961.53

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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.