Home / 101,348.12-152,087.48-54,633.56

Finding the Fourth Proportional to 101,348.12, 152,087.48 and 54,633.56

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Solution

The fourth proportional to 101,348.12, 152,087.48 and 54,633.56 is: 81,985.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,348.12 : 152,087.48 = 54,633.56 : x
  2. Step 2: Convert to fraction form
    101,348.12/152,087.48 = 54,633.56/x
  3. Step 3: Cross multiply
    101,348.12x = 152,087.48 × 54,633.56
  4. Step 4: Simplify right side
    101,348.12x = 8,309,080,463.83
  5. Step 5: Solve for x
    x = 8,309,080,463.83/101,348.12
  6. Step 6: Final answer
    x = 81,985.54

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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.