Home / 117,601.86-162,291.69-63,887.28

Finding the Fourth Proportional to 117,601.86, 162,291.69 and 63,887.28

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Solution

The fourth proportional to 117,601.86, 162,291.69 and 63,887.28 is: 88,165.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,601.86 : 162,291.69 = 63,887.28 : x
  2. Step 2: Convert to fraction form
    117,601.86/162,291.69 = 63,887.28/x
  3. Step 3: Cross multiply
    117,601.86x = 162,291.69 × 63,887.28
  4. Step 4: Simplify right side
    117,601.86x = 10,368,374,640.70
  5. Step 5: Solve for x
    x = 10,368,374,640.70/117,601.86
  6. Step 6: Final answer
    x = 88,165.06

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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.