Home / 74,422.53-102,692.21-49,306.05

Finding the Fourth Proportional to 74,422.53, 102,692.21 and 49,306.05

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Solution

The fourth proportional to 74,422.53, 102,692.21 and 49,306.05 is: 68,035.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,422.53 : 102,692.21 = 49,306.05 : x
  2. Step 2: Convert to fraction form
    74,422.53/102,692.21 = 49,306.05/x
  3. Step 3: Cross multiply
    74,422.53x = 102,692.21 × 49,306.05
  4. Step 4: Simplify right side
    74,422.53x = 5,063,346,994.34
  5. Step 5: Solve for x
    x = 5,063,346,994.34/74,422.53
  6. Step 6: Final answer
    x = 68,035.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.