Home / 54,749.64-75,553.80-30,884.01

Finding the Fourth Proportional to 54,749.64, 75,553.80 and 30,884.01

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Solution

The fourth proportional to 54,749.64, 75,553.80 and 30,884.01 is: 42,619.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,749.64 : 75,553.80 = 30,884.01 : x
  2. Step 2: Convert to fraction form
    54,749.64/75,553.80 = 30,884.01/x
  3. Step 3: Cross multiply
    54,749.64x = 75,553.80 × 30,884.01
  4. Step 4: Simplify right side
    54,749.64x = 2,333,404,314.74
  5. Step 5: Solve for x
    x = 2,333,404,314.74/54,749.64
  6. Step 6: Final answer
    x = 42,619.54

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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.