Home / 99,820.04-149,605.50-49,914.44

Finding the Fourth Proportional to 99,820.04, 149,605.50 and 49,914.44

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Solution

The fourth proportional to 99,820.04, 149,605.50 and 49,914.44 is: 74,809.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,820.04 : 149,605.50 = 49,914.44 : x
  2. Step 2: Convert to fraction form
    99,820.04/149,605.50 = 49,914.44/x
  3. Step 3: Cross multiply
    99,820.04x = 149,605.50 × 49,914.44
  4. Step 4: Simplify right side
    99,820.04x = 7,467,474,753.42
  5. Step 5: Solve for x
    x = 7,467,474,753.42/99,820.04
  6. Step 6: Final answer
    x = 74,809.37

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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.