Home / 69,760.24-94,981.20-69,538.81

Finding the Fourth Proportional to 69,760.24, 94,981.20 and 69,538.81

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Solution

The fourth proportional to 69,760.24, 94,981.20 and 69,538.81 is: 94,679.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,760.24 : 94,981.20 = 69,538.81 : x
  2. Step 2: Convert to fraction form
    69,760.24/94,981.20 = 69,538.81/x
  3. Step 3: Cross multiply
    69,760.24x = 94,981.20 × 69,538.81
  4. Step 4: Simplify right side
    69,760.24x = 6,604,879,620.37
  5. Step 5: Solve for x
    x = 6,604,879,620.37/69,760.24
  6. Step 6: Final answer
    x = 94,679.71

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.