Home / 69,212.46-103,768.86-41,065.76

Finding the Fourth Proportional to 69,212.46, 103,768.86 and 41,065.76

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Solution

The fourth proportional to 69,212.46, 103,768.86 and 41,065.76 is: 61,569.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,212.46 : 103,768.86 = 41,065.76 : x
  2. Step 2: Convert to fraction form
    69,212.46/103,768.86 = 41,065.76/x
  3. Step 3: Cross multiply
    69,212.46x = 103,768.86 × 41,065.76
  4. Step 4: Simplify right side
    69,212.46x = 4,261,347,100.23
  5. Step 5: Solve for x
    x = 4,261,347,100.23/69,212.46
  6. Step 6: Final answer
    x = 61,569.07

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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.