Home / 51,239.99-76,871.36-15,706.24

Finding the Fourth Proportional to 51,239.99, 76,871.36 and 15,706.24

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Solution

The fourth proportional to 51,239.99, 76,871.36 and 15,706.24 is: 23,562.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,239.99 : 76,871.36 = 15,706.24 : x
  2. Step 2: Convert to fraction form
    51,239.99/76,871.36 = 15,706.24/x
  3. Step 3: Cross multiply
    51,239.99x = 76,871.36 × 15,706.24
  4. Step 4: Simplify right side
    51,239.99x = 1,207,359,876.37
  5. Step 5: Solve for x
    x = 1,207,359,876.37/51,239.99
  6. Step 6: Final answer
    x = 23,562.84

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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.