Home / 88,646.86-122,317.36-49,879.28

Finding the Fourth Proportional to 88,646.86, 122,317.36 and 49,879.28

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Solution

The fourth proportional to 88,646.86, 122,317.36 and 49,879.28 is: 68,824.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,646.86 : 122,317.36 = 49,879.28 : x
  2. Step 2: Convert to fraction form
    88,646.86/122,317.36 = 49,879.28/x
  3. Step 3: Cross multiply
    88,646.86x = 122,317.36 × 49,879.28
  4. Step 4: Simplify right side
    88,646.86x = 6,101,101,341.36
  5. Step 5: Solve for x
    x = 6,101,101,341.36/88,646.86
  6. Step 6: Final answer
    x = 68,824.79

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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.