Home / 117,025.05-161,494.43-63,309.95

Finding the Fourth Proportional to 117,025.05, 161,494.43 and 63,309.95

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Solution

The fourth proportional to 117,025.05, 161,494.43 and 63,309.95 is: 87,367.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,025.05 : 161,494.43 = 63,309.95 : x
  2. Step 2: Convert to fraction form
    117,025.05/161,494.43 = 63,309.95/x
  3. Step 3: Cross multiply
    117,025.05x = 161,494.43 × 63,309.95
  4. Step 4: Simplify right side
    117,025.05x = 10,224,203,164.56
  5. Step 5: Solve for x
    x = 10,224,203,164.56/117,025.05
  6. Step 6: Final answer
    x = 87,367.65

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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.