Home / 117,578.39-162,255.96-66,590.37

Finding the Fourth Proportional to 117,578.39, 162,255.96 and 66,590.37

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Solution

The fourth proportional to 117,578.39, 162,255.96 and 66,590.37 is: 91,893.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,578.39 : 162,255.96 = 66,590.37 : x
  2. Step 2: Convert to fraction form
    117,578.39/162,255.96 = 66,590.37/x
  3. Step 3: Cross multiply
    117,578.39x = 162,255.96 × 66,590.37
  4. Step 4: Simplify right side
    117,578.39x = 10,804,684,411.11
  5. Step 5: Solve for x
    x = 10,804,684,411.11/117,578.39
  6. Step 6: Final answer
    x = 91,893.46

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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.