Home / 101,836.05-152,692.71-45,666

Finding the Fourth Proportional to 101,836.05, 152,692.71 and 45,666

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Solution

The fourth proportional to 101,836.05, 152,692.71 and 45,666 is: 68,471.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,836.05 : 152,692.71 = 45,666 : x
  2. Step 2: Convert to fraction form
    101,836.05/152,692.71 = 45,666/x
  3. Step 3: Cross multiply
    101,836.05x = 152,692.71 × 45,666
  4. Step 4: Simplify right side
    101,836.05x = 6,972,865,294.86
  5. Step 5: Solve for x
    x = 6,972,865,294.86/101,836.05
  6. Step 6: Final answer
    x = 68,471.48

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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.