Home / 89,648.06-134,433.21-30,467.84

Finding the Fourth Proportional to 89,648.06, 134,433.21 and 30,467.84

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Solution

The fourth proportional to 89,648.06, 134,433.21 and 30,467.84 is: 45,688.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,648.06 : 134,433.21 = 30,467.84 : x
  2. Step 2: Convert to fraction form
    89,648.06/134,433.21 = 30,467.84/x
  3. Step 3: Cross multiply
    89,648.06x = 134,433.21 × 30,467.84
  4. Step 4: Simplify right side
    89,648.06x = 4,095,889,532.97
  5. Step 5: Solve for x
    x = 4,095,889,532.97/89,648.06
  6. Step 6: Final answer
    x = 45,688.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.