Home / 45,395.55-68,099.40-15,822.45

Finding the Fourth Proportional to 45,395.55, 68,099.40 and 15,822.45

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Solution

The fourth proportional to 45,395.55, 68,099.40 and 15,822.45 is: 23,735.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,395.55 : 68,099.40 = 15,822.45 : x
  2. Step 2: Convert to fraction form
    45,395.55/68,099.40 = 15,822.45/x
  3. Step 3: Cross multiply
    45,395.55x = 68,099.40 × 15,822.45
  4. Step 4: Simplify right side
    45,395.55x = 1,077,499,351.53
  5. Step 5: Solve for x
    x = 1,077,499,351.53/45,395.55
  6. Step 6: Final answer
    x = 23,735.79

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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.