Home / 74,828.56-112,241.56-43,286.08

Finding the Fourth Proportional to 74,828.56, 112,241.56 and 43,286.08

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Solution

The fourth proportional to 74,828.56, 112,241.56 and 43,286.08 is: 64,928.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,828.56 : 112,241.56 = 43,286.08 : x
  2. Step 2: Convert to fraction form
    74,828.56/112,241.56 = 43,286.08/x
  3. Step 3: Cross multiply
    74,828.56x = 112,241.56 × 43,286.08
  4. Step 4: Simplify right side
    74,828.56x = 4,858,497,145.48
  5. Step 5: Solve for x
    x = 4,858,497,145.48/74,828.56
  6. Step 6: Final answer
    x = 64,928.38

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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.