Home / 99,852.08-149,736.72-40,647.56

Finding the Fourth Proportional to 99,852.08, 149,736.72 and 40,647.56

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Solution

The fourth proportional to 99,852.08, 149,736.72 and 40,647.56 is: 60,954.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,852.08 : 149,736.72 = 40,647.56 : x
  2. Step 2: Convert to fraction form
    99,852.08/149,736.72 = 40,647.56/x
  3. Step 3: Cross multiply
    99,852.08x = 149,736.72 × 40,647.56
  4. Step 4: Simplify right side
    99,852.08x = 6,086,432,310.40
  5. Step 5: Solve for x
    x = 6,086,432,310.40/99,852.08
  6. Step 6: Final answer
    x = 60,954.49

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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.