Home / 97,785.21-146,676.57-31,224.50

Finding the Fourth Proportional to 97,785.21, 146,676.57 and 31,224.50

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Solution

The fourth proportional to 97,785.21, 146,676.57 and 31,224.50 is: 46,836.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,785.21 : 146,676.57 = 31,224.50 : x
  2. Step 2: Convert to fraction form
    97,785.21/146,676.57 = 31,224.50/x
  3. Step 3: Cross multiply
    97,785.21x = 146,676.57 × 31,224.50
  4. Step 4: Simplify right side
    97,785.21x = 4,579,902,559.97
  5. Step 5: Solve for x
    x = 4,579,902,559.97/97,785.21
  6. Step 6: Final answer
    x = 46,836.35

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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.