Home / 90,052.48-135,036.31-52,623.37

Finding the Fourth Proportional to 90,052.48, 135,036.31 and 52,623.37

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Solution

The fourth proportional to 90,052.48, 135,036.31 and 52,623.37 is: 78,910.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,052.48 : 135,036.31 = 52,623.37 : x
  2. Step 2: Convert to fraction form
    90,052.48/135,036.31 = 52,623.37/x
  3. Step 3: Cross multiply
    90,052.48x = 135,036.31 × 52,623.37
  4. Step 4: Simplify right side
    90,052.48x = 7,106,065,704.56
  5. Step 5: Solve for x
    x = 7,106,065,704.56/90,052.48
  6. Step 6: Final answer
    x = 78,910.27

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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.