Home / 99,825.16-149,745.06-28,744.92

Finding the Fourth Proportional to 99,825.16, 149,745.06 and 28,744.92

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Solution

The fourth proportional to 99,825.16, 149,745.06 and 28,744.92 is: 43,119.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,825.16 : 149,745.06 = 28,744.92 : x
  2. Step 2: Convert to fraction form
    99,825.16/149,745.06 = 28,744.92/x
  3. Step 3: Cross multiply
    99,825.16x = 149,745.06 × 28,744.92
  4. Step 4: Simplify right side
    99,825.16x = 4,304,409,770.10
  5. Step 5: Solve for x
    x = 4,304,409,770.10/99,825.16
  6. Step 6: Final answer
    x = 43,119.49

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1.5x scale

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.