Home / 53,374.05-73,661.90-30,714.03

Finding the Fourth Proportional to 53,374.05, 73,661.90 and 30,714.03

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Solution

The fourth proportional to 53,374.05, 73,661.90 and 30,714.03 is: 42,388.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,374.05 : 73,661.90 = 30,714.03 : x
  2. Step 2: Convert to fraction form
    53,374.05/73,661.90 = 30,714.03/x
  3. Step 3: Cross multiply
    53,374.05x = 73,661.90 × 30,714.03
  4. Step 4: Simplify right side
    53,374.05x = 2,262,453,652.89
  5. Step 5: Solve for x
    x = 2,262,453,652.89/53,374.05
  6. Step 6: Final answer
    x = 42,388.64

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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.