Home / 89,879.40-124,032.90-49,594.86

Finding the Fourth Proportional to 89,879.40, 124,032.90 and 49,594.86

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Solution

The fourth proportional to 89,879.40, 124,032.90 and 49,594.86 is: 68,440.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,879.40 : 124,032.90 = 49,594.86 : x
  2. Step 2: Convert to fraction form
    89,879.40/124,032.90 = 49,594.86/x
  3. Step 3: Cross multiply
    89,879.40x = 124,032.90 × 49,594.86
  4. Step 4: Simplify right side
    89,879.40x = 6,151,394,310.89
  5. Step 5: Solve for x
    x = 6,151,394,310.89/89,879.40
  6. Step 6: Final answer
    x = 68,440.54

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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.