Home / 54,300.78-74,908.40-33,043.14

Finding the Fourth Proportional to 54,300.78, 74,908.40 and 33,043.14

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Solution

The fourth proportional to 54,300.78, 74,908.40 and 33,043.14 is: 45,583.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,300.78 : 74,908.40 = 33,043.14 : x
  2. Step 2: Convert to fraction form
    54,300.78/74,908.40 = 33,043.14/x
  3. Step 3: Cross multiply
    54,300.78x = 74,908.40 × 33,043.14
  4. Step 4: Simplify right side
    54,300.78x = 2,475,208,583.16
  5. Step 5: Solve for x
    x = 2,475,208,583.16/54,300.78
  6. Step 6: Final answer
    x = 45,583.30

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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.