Home / 113,692.38-170,465.68-47,178.42

Finding the Fourth Proportional to 113,692.38, 170,465.68 and 47,178.42

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Solution

The fourth proportional to 113,692.38, 170,465.68 and 47,178.42 is: 70,737.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,692.38 : 170,465.68 = 47,178.42 : x
  2. Step 2: Convert to fraction form
    113,692.38/170,465.68 = 47,178.42/x
  3. Step 3: Cross multiply
    113,692.38x = 170,465.68 × 47,178.42
  4. Step 4: Simplify right side
    113,692.38x = 8,042,301,446.63
  5. Step 5: Solve for x
    x = 8,042,301,446.63/113,692.38
  6. Step 6: Final answer
    x = 70,737.38

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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.