Home / 53,993.80-74,511.24-30,120.46

Finding the Fourth Proportional to 53,993.80, 74,511.24 and 30,120.46

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Solution

The fourth proportional to 53,993.80, 74,511.24 and 30,120.46 is: 41,566.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,993.80 : 74,511.24 = 30,120.46 : x
  2. Step 2: Convert to fraction form
    53,993.80/74,511.24 = 30,120.46/x
  3. Step 3: Cross multiply
    53,993.80x = 74,511.24 × 30,120.46
  4. Step 4: Simplify right side
    53,993.80x = 2,244,312,694.17
  5. Step 5: Solve for x
    x = 2,244,312,694.17/53,993.80
  6. Step 6: Final answer
    x = 41,566.12

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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.