Home / 89,077.26-122,928.48-48,792.72

Finding the Fourth Proportional to 89,077.26, 122,928.48 and 48,792.72

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Solution

The fourth proportional to 89,077.26, 122,928.48 and 48,792.72 is: 67,334.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,077.26 : 122,928.48 = 48,792.72 : x
  2. Step 2: Convert to fraction form
    89,077.26/122,928.48 = 48,792.72/x
  3. Step 3: Cross multiply
    89,077.26x = 122,928.48 × 48,792.72
  4. Step 4: Simplify right side
    89,077.26x = 5,998,014,904.67
  5. Step 5: Solve for x
    x = 5,998,014,904.67/89,077.26
  6. Step 6: Final answer
    x = 67,334.97

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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.