Home / 99,839.15-149,629.46-40,606.01

Finding the Fourth Proportional to 99,839.15, 149,629.46 and 40,606.01

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Solution

The fourth proportional to 99,839.15, 149,629.46 and 40,606.01 is: 60,856.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,839.15 : 149,629.46 = 40,606.01 : x
  2. Step 2: Convert to fraction form
    99,839.15/149,629.46 = 40,606.01/x
  3. Step 3: Cross multiply
    99,839.15x = 149,629.46 × 40,606.01
  4. Step 4: Simplify right side
    99,839.15x = 6,075,854,397.88
  5. Step 5: Solve for x
    x = 6,075,854,397.88/99,839.15
  6. Step 6: Final answer
    x = 60,856.43

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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.