Home / 117,794.86-162,617.08-90,876.94

Finding the Fourth Proportional to 117,794.86, 162,617.08 and 90,876.94

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Solution

The fourth proportional to 117,794.86, 162,617.08 and 90,876.94 is: 125,456.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,794.86 : 162,617.08 = 90,876.94 : x
  2. Step 2: Convert to fraction form
    117,794.86/162,617.08 = 90,876.94/x
  3. Step 3: Cross multiply
    117,794.86x = 162,617.08 × 90,876.94
  4. Step 4: Simplify right side
    117,794.86x = 14,778,142,622.14
  5. Step 5: Solve for x
    x = 14,778,142,622.14/117,794.86
  6. Step 6: Final answer
    x = 125,456.60

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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.