Home / 54,819.63-75,650.27-30,620.93

Finding the Fourth Proportional to 54,819.63, 75,650.27 and 30,620.93

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Solution

The fourth proportional to 54,819.63, 75,650.27 and 30,620.93 is: 42,256.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,819.63 : 75,650.27 = 30,620.93 : x
  2. Step 2: Convert to fraction form
    54,819.63/75,650.27 = 30,620.93/x
  3. Step 3: Cross multiply
    54,819.63x = 75,650.27 × 30,620.93
  4. Step 4: Simplify right side
    54,819.63x = 2,316,481,090.80
  5. Step 5: Solve for x
    x = 2,316,481,090.80/54,819.63
  6. Step 6: Final answer
    x = 42,256.42

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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.