Home / 88,722.30-122,429.42-50,471.67

Finding the Fourth Proportional to 88,722.30, 122,429.42 and 50,471.67

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Solution

The fourth proportional to 88,722.30, 122,429.42 and 50,471.67 is: 69,646.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,722.30 : 122,429.42 = 50,471.67 : x
  2. Step 2: Convert to fraction form
    88,722.30/122,429.42 = 50,471.67/x
  3. Step 3: Cross multiply
    88,722.30x = 122,429.42 × 50,471.67
  4. Step 4: Simplify right side
    88,722.30x = 6,179,217,964.46
  5. Step 5: Solve for x
    x = 6,179,217,964.46/88,722.30
  6. Step 6: Final answer
    x = 69,646.73

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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.