Home / 117,551.86-162,223.44-66,563.21

Finding the Fourth Proportional to 117,551.86, 162,223.44 and 66,563.21

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Solution

The fourth proportional to 117,551.86, 162,223.44 and 66,563.21 is: 91,858.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,551.86 : 162,223.44 = 66,563.21 : x
  2. Step 2: Convert to fraction form
    117,551.86/162,223.44 = 66,563.21/x
  3. Step 3: Cross multiply
    117,551.86x = 162,223.44 × 66,563.21
  4. Step 4: Simplify right side
    117,551.86x = 10,798,112,092.53
  5. Step 5: Solve for x
    x = 10,798,112,092.53/117,551.86
  6. Step 6: Final answer
    x = 91,858.29

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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.