Home / 117,408.96-176,112-55,035.36

Finding the Fourth Proportional to 117,408.96, 176,112 and 55,035.36

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Solution

The fourth proportional to 117,408.96, 176,112 and 55,035.36 is: 82,552.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,408.96 : 176,112 = 55,035.36 : x
  2. Step 2: Convert to fraction form
    117,408.96/176,112 = 55,035.36/x
  3. Step 3: Cross multiply
    117,408.96x = 176,112 × 55,035.36
  4. Step 4: Simplify right side
    117,408.96x = 9,692,387,320.32
  5. Step 5: Solve for x
    x = 9,692,387,320.32/117,408.96
  6. Step 6: Final answer
    x = 82,552.37

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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.