Home / 103,734.36-155,612.34-39,692.39

Finding the Fourth Proportional to 103,734.36, 155,612.34 and 39,692.39

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Solution

The fourth proportional to 103,734.36, 155,612.34 and 39,692.39 is: 59,542.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,734.36 : 155,612.34 = 39,692.39 : x
  2. Step 2: Convert to fraction form
    103,734.36/155,612.34 = 39,692.39/x
  3. Step 3: Cross multiply
    103,734.36x = 155,612.34 × 39,692.39
  4. Step 4: Simplify right side
    103,734.36x = 6,176,624,910.03
  5. Step 5: Solve for x
    x = 6,176,624,910.03/103,734.36
  6. Step 6: Final answer
    x = 59,542.71

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1.5x scale

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.