Home / 89,077.83-122,921.09-50,828.41

Finding the Fourth Proportional to 89,077.83, 122,921.09 and 50,828.41

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Solution

The fourth proportional to 89,077.83, 122,921.09 and 50,828.41 is: 70,139.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,077.83 : 122,921.09 = 50,828.41 : x
  2. Step 2: Convert to fraction form
    89,077.83/122,921.09 = 50,828.41/x
  3. Step 3: Cross multiply
    89,077.83x = 122,921.09 × 50,828.41
  4. Step 4: Simplify right side
    89,077.83x = 6,247,883,936.19
  5. Step 5: Solve for x
    x = 6,247,883,936.19/89,077.83
  6. Step 6: Final answer
    x = 70,139.61

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1.5x scale

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.