Home / 103,749.03-143,175.02-60,755.31

Finding the Fourth Proportional to 103,749.03, 143,175.02 and 60,755.31

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Solution

The fourth proportional to 103,749.03, 143,175.02 and 60,755.31 is: 83,843.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,749.03 : 143,175.02 = 60,755.31 : x
  2. Step 2: Convert to fraction form
    103,749.03/143,175.02 = 60,755.31/x
  3. Step 3: Cross multiply
    103,749.03x = 143,175.02 × 60,755.31
  4. Step 4: Simplify right side
    103,749.03x = 8,698,642,420.58
  5. Step 5: Solve for x
    x = 8,698,642,420.58/103,749.03
  6. Step 6: Final answer
    x = 83,843.12

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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.