Home / 82,145.88-113,361.28-44,420.13

Finding the Fourth Proportional to 82,145.88, 113,361.28 and 44,420.13

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Solution

The fourth proportional to 82,145.88, 113,361.28 and 44,420.13 is: 61,299.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,145.88 : 113,361.28 = 44,420.13 : x
  2. Step 2: Convert to fraction form
    82,145.88/113,361.28 = 44,420.13/x
  3. Step 3: Cross multiply
    82,145.88x = 113,361.28 × 44,420.13
  4. Step 4: Simplify right side
    82,145.88x = 5,035,522,794.57
  5. Step 5: Solve for x
    x = 5,035,522,794.57/82,145.88
  6. Step 6: Final answer
    x = 61,299.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.