Home / 69,586.09-104,501.89-51,821.57

Finding the Fourth Proportional to 69,586.09, 104,501.89 and 51,821.57

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Solution

The fourth proportional to 69,586.09, 104,501.89 and 51,821.57 is: 77,823.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,586.09 : 104,501.89 = 51,821.57 : x
  2. Step 2: Convert to fraction form
    69,586.09/104,501.89 = 51,821.57/x
  3. Step 3: Cross multiply
    69,586.09x = 104,501.89 × 51,821.57
  4. Step 4: Simplify right side
    69,586.09x = 5,415,452,007.77
  5. Step 5: Solve for x
    x = 5,415,452,007.77/69,586.09
  6. Step 6: Final answer
    x = 77,823.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.