Home / 89,029.44-122,861-48,746.96

Finding the Fourth Proportional to 89,029.44, 122,861 and 48,746.96

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Solution

The fourth proportional to 89,029.44, 122,861 and 48,746.96 is: 67,271.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,029.44 : 122,861 = 48,746.96 : x
  2. Step 2: Convert to fraction form
    89,029.44/122,861 = 48,746.96/x
  3. Step 3: Cross multiply
    89,029.44x = 122,861 × 48,746.96
  4. Step 4: Simplify right side
    89,029.44x = 5,989,100,252.56
  5. Step 5: Solve for x
    x = 5,989,100,252.56/89,029.44
  6. Step 6: Final answer
    x = 67,271.01

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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.