Home / 74,844.07-103,284.79-51,012.36

Finding the Fourth Proportional to 74,844.07, 103,284.79 and 51,012.36

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Solution

The fourth proportional to 74,844.07, 103,284.79 and 51,012.36 is: 70,397.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,844.07 : 103,284.79 = 51,012.36 : x
  2. Step 2: Convert to fraction form
    74,844.07/103,284.79 = 51,012.36/x
  3. Step 3: Cross multiply
    74,844.07x = 103,284.79 × 51,012.36
  4. Step 4: Simplify right side
    74,844.07x = 5,268,800,890.00
  5. Step 5: Solve for x
    x = 5,268,800,890.00/74,844.07
  6. Step 6: Final answer
    x = 70,397.04

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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.