Home / 89,123.85-122,944.92-60,433.81

Finding the Fourth Proportional to 89,123.85, 122,944.92 and 60,433.81

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Solution

The fourth proportional to 89,123.85, 122,944.92 and 60,433.81 is: 83,367.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,123.85 : 122,944.92 = 60,433.81 : x
  2. Step 2: Convert to fraction form
    89,123.85/122,944.92 = 60,433.81/x
  3. Step 3: Cross multiply
    89,123.85x = 122,944.92 × 60,433.81
  4. Step 4: Simplify right side
    89,123.85x = 7,430,029,935.75
  5. Step 5: Solve for x
    x = 7,430,029,935.75/89,123.85
  6. Step 6: Final answer
    x = 83,367.47

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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.