Home / 52,764.51-79,021.13-30,531.03

Finding the Fourth Proportional to 52,764.51, 79,021.13 and 30,531.03

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Solution

The fourth proportional to 52,764.51, 79,021.13 and 30,531.03 is: 45,723.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,764.51 : 79,021.13 = 30,531.03 : x
  2. Step 2: Convert to fraction form
    52,764.51/79,021.13 = 30,531.03/x
  3. Step 3: Cross multiply
    52,764.51x = 79,021.13 × 30,531.03
  4. Step 4: Simplify right side
    52,764.51x = 2,412,596,338.01
  5. Step 5: Solve for x
    x = 2,412,596,338.01/52,764.51
  6. Step 6: Final answer
    x = 45,723.85

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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.