Home / 74,426.07-111,638.89-30,052.32

Finding the Fourth Proportional to 74,426.07, 111,638.89 and 30,052.32

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Solution

The fourth proportional to 74,426.07, 111,638.89 and 30,052.32 is: 45,078.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,426.07 : 111,638.89 = 30,052.32 : x
  2. Step 2: Convert to fraction form
    74,426.07/111,638.89 = 30,052.32/x
  3. Step 3: Cross multiply
    74,426.07x = 111,638.89 × 30,052.32
  4. Step 4: Simplify right side
    74,426.07x = 3,355,007,265.64
  5. Step 5: Solve for x
    x = 3,355,007,265.64/74,426.07
  6. Step 6: Final answer
    x = 45,078.39

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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.