Home / 117,887.72-162,636.98-72,552.02

Finding the Fourth Proportional to 117,887.72, 162,636.98 and 72,552.02

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Solution

The fourth proportional to 117,887.72, 162,636.98 and 72,552.02 is: 100,092.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,887.72 : 162,636.98 = 72,552.02 : x
  2. Step 2: Convert to fraction form
    117,887.72/162,636.98 = 72,552.02/x
  3. Step 3: Cross multiply
    117,887.72x = 162,636.98 × 72,552.02
  4. Step 4: Simplify right side
    117,887.72x = 11,799,640,249.75
  5. Step 5: Solve for x
    x = 11,799,640,249.75/117,887.72
  6. Step 6: Final answer
    x = 100,092.20

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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.