Home / 103,692.10-155,537.09-47,516.27

Finding the Fourth Proportional to 103,692.10, 155,537.09 and 47,516.27

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Solution

The fourth proportional to 103,692.10, 155,537.09 and 47,516.27 is: 71,273.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,692.10 : 155,537.09 = 47,516.27 : x
  2. Step 2: Convert to fraction form
    103,692.10/155,537.09 = 47,516.27/x
  3. Step 3: Cross multiply
    103,692.10x = 155,537.09 × 47,516.27
  4. Step 4: Simplify right side
    103,692.10x = 7,390,542,363.45
  5. Step 5: Solve for x
    x = 7,390,542,363.45/103,692.10
  6. Step 6: Final answer
    x = 71,273.92

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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.