Home / 69,056.72-103,584.77-19,136.67

Finding the Fourth Proportional to 69,056.72, 103,584.77 and 19,136.67

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Solution

The fourth proportional to 69,056.72, 103,584.77 and 19,136.67 is: 28,704.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,056.72 : 103,584.77 = 19,136.67 : x
  2. Step 2: Convert to fraction form
    69,056.72/103,584.77 = 19,136.67/x
  3. Step 3: Cross multiply
    69,056.72x = 103,584.77 × 19,136.67
  4. Step 4: Simplify right side
    69,056.72x = 1,982,267,838.46
  5. Step 5: Solve for x
    x = 1,982,267,838.46/69,056.72
  6. Step 6: Final answer
    x = 28,704.92

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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.