Home / 49,639.40-74,243.10-44,412.20

Finding the Fourth Proportional to 49,639.40, 74,243.10 and 44,412.20

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Solution

The fourth proportional to 49,639.40, 74,243.10 and 44,412.20 is: 66,425.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,639.40 : 74,243.10 = 44,412.20 : x
  2. Step 2: Convert to fraction form
    49,639.40/74,243.10 = 44,412.20/x
  3. Step 3: Cross multiply
    49,639.40x = 74,243.10 × 44,412.20
  4. Step 4: Simplify right side
    49,639.40x = 3,297,299,405.82
  5. Step 5: Solve for x
    x = 3,297,299,405.82/49,639.40
  6. Step 6: Final answer
    x = 66,425.05

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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.