Home / 42,874.02-64,313.46-13,296.06

Finding the Fourth Proportional to 42,874.02, 64,313.46 and 13,296.06

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Solution

The fourth proportional to 42,874.02, 64,313.46 and 13,296.06 is: 19,944.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,874.02 : 64,313.46 = 13,296.06 : x
  2. Step 2: Convert to fraction form
    42,874.02/64,313.46 = 13,296.06/x
  3. Step 3: Cross multiply
    42,874.02x = 64,313.46 × 13,296.06
  4. Step 4: Simplify right side
    42,874.02x = 855,115,589.73
  5. Step 5: Solve for x
    x = 855,115,589.73/42,874.02
  6. Step 6: Final answer
    x = 19,944.84

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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.