Home / 89,003.68-122,828.46-50,769.45

Finding the Fourth Proportional to 89,003.68, 122,828.46 and 50,769.45

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Solution

The fourth proportional to 89,003.68, 122,828.46 and 50,769.45 is: 70,063.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,003.68 : 122,828.46 = 50,769.45 : x
  2. Step 2: Convert to fraction form
    89,003.68/122,828.46 = 50,769.45/x
  3. Step 3: Cross multiply
    89,003.68x = 122,828.46 × 50,769.45
  4. Step 4: Simplify right side
    89,003.68x = 6,235,933,168.16
  5. Step 5: Solve for x
    x = 6,235,933,168.16/89,003.68
  6. Step 6: Final answer
    x = 70,063.77

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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.