Home / 74,705.16-112,033.26-27,309.36

Finding the Fourth Proportional to 74,705.16, 112,033.26 and 27,309.36

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Solution

The fourth proportional to 74,705.16, 112,033.26 and 27,309.36 is: 40,955.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,705.16 : 112,033.26 = 27,309.36 : x
  2. Step 2: Convert to fraction form
    74,705.16/112,033.26 = 27,309.36/x
  3. Step 3: Cross multiply
    74,705.16x = 112,033.26 × 27,309.36
  4. Step 4: Simplify right side
    74,705.16x = 3,059,556,629.31
  5. Step 5: Solve for x
    x = 3,059,556,629.31/74,705.16
  6. Step 6: Final answer
    x = 40,955.09

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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.