Home / 49,780.40-74,692.20-25,156.40

Finding the Fourth Proportional to 49,780.40, 74,692.20 and 25,156.40

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Solution

The fourth proportional to 49,780.40, 74,692.20 and 25,156.40 is: 37,745.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,780.40 : 74,692.20 = 25,156.40 : x
  2. Step 2: Convert to fraction form
    49,780.40/74,692.20 = 25,156.40/x
  3. Step 3: Cross multiply
    49,780.40x = 74,692.20 × 25,156.40
  4. Step 4: Simplify right side
    49,780.40x = 1,878,986,860.08
  5. Step 5: Solve for x
    x = 1,878,986,860.08/49,780.40
  6. Step 6: Final answer
    x = 37,745.52

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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.