Home / 53,984.58-74,498.84-30,112.80

Finding the Fourth Proportional to 53,984.58, 74,498.84 and 30,112.80

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Solution

The fourth proportional to 53,984.58, 74,498.84 and 30,112.80 is: 41,555.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,984.58 : 74,498.84 = 30,112.80 : x
  2. Step 2: Convert to fraction form
    53,984.58/74,498.84 = 30,112.80/x
  3. Step 3: Cross multiply
    53,984.58x = 74,498.84 × 30,112.80
  4. Step 4: Simplify right side
    53,984.58x = 2,243,368,352.14
  5. Step 5: Solve for x
    x = 2,243,368,352.14/53,984.58
  6. Step 6: Final answer
    x = 41,555.73

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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.