Home / 100,692.19-151,028.52-30,572.11

Finding the Fourth Proportional to 100,692.19, 151,028.52 and 30,572.11

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Solution

The fourth proportional to 100,692.19, 151,028.52 and 30,572.11 is: 45,855.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,692.19 : 151,028.52 = 30,572.11 : x
  2. Step 2: Convert to fraction form
    100,692.19/151,028.52 = 30,572.11/x
  3. Step 3: Cross multiply
    100,692.19x = 151,028.52 × 30,572.11
  4. Step 4: Simplify right side
    100,692.19x = 4,617,260,526.58
  5. Step 5: Solve for x
    x = 4,617,260,526.58/100,692.19
  6. Step 6: Final answer
    x = 45,855.20

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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.