Home / 52,679.64-78,982.51-19,395.37

Finding the Fourth Proportional to 52,679.64, 78,982.51 and 19,395.37

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Solution

The fourth proportional to 52,679.64, 78,982.51 and 19,395.37 is: 29,079.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,679.64 : 78,982.51 = 19,395.37 : x
  2. Step 2: Convert to fraction form
    52,679.64/78,982.51 = 19,395.37/x
  3. Step 3: Cross multiply
    52,679.64x = 78,982.51 × 19,395.37
  4. Step 4: Simplify right side
    52,679.64x = 1,531,895,004.98
  5. Step 5: Solve for x
    x = 1,531,895,004.98/52,679.64
  6. Step 6: Final answer
    x = 29,079.45

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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.