Home / 45,418.34-68,102.80-15,828.23

Finding the Fourth Proportional to 45,418.34, 68,102.80 and 15,828.23

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Solution

The fourth proportional to 45,418.34, 68,102.80 and 15,828.23 is: 23,733.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,418.34 : 68,102.80 = 15,828.23 : x
  2. Step 2: Convert to fraction form
    45,418.34/68,102.80 = 15,828.23/x
  3. Step 3: Cross multiply
    45,418.34x = 68,102.80 × 15,828.23
  4. Step 4: Simplify right side
    45,418.34x = 1,077,946,782.04
  5. Step 5: Solve for x
    x = 1,077,946,782.04/45,418.34
  6. Step 6: Final answer
    x = 23,733.73

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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.