Home / 69,420.33-104,130.50-16,829.81

Finding the Fourth Proportional to 69,420.33, 104,130.50 and 16,829.81

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Solution

The fourth proportional to 69,420.33, 104,130.50 and 16,829.81 is: 25,244.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,420.33 : 104,130.50 = 16,829.81 : x
  2. Step 2: Convert to fraction form
    69,420.33/104,130.50 = 16,829.81/x
  3. Step 3: Cross multiply
    69,420.33x = 104,130.50 × 16,829.81
  4. Step 4: Simplify right side
    69,420.33x = 1,752,496,706.38
  5. Step 5: Solve for x
    x = 1,752,496,706.38/69,420.33
  6. Step 6: Final answer
    x = 25,244.72

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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.