Home / 89,123.82-122,994.26-50,889.59

Finding the Fourth Proportional to 89,123.82, 122,994.26 and 50,889.59

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Solution

The fourth proportional to 89,123.82, 122,994.26 and 50,889.59 is: 70,229.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,123.82 : 122,994.26 = 50,889.59 : x
  2. Step 2: Convert to fraction form
    89,123.82/122,994.26 = 50,889.59/x
  3. Step 3: Cross multiply
    89,123.82x = 122,994.26 × 50,889.59
  4. Step 4: Simplify right side
    89,123.82x = 6,259,127,663.88
  5. Step 5: Solve for x
    x = 6,259,127,663.88/89,123.82
  6. Step 6: Final answer
    x = 70,229.57

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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.