Home / 104,103.10-156,131.26-47,889.22

Finding the Fourth Proportional to 104,103.10, 156,131.26 and 47,889.22

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Solution

The fourth proportional to 104,103.10, 156,131.26 and 47,889.22 is: 71,823.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,103.10 : 156,131.26 = 47,889.22 : x
  2. Step 2: Convert to fraction form
    104,103.10/156,131.26 = 47,889.22/x
  3. Step 3: Cross multiply
    104,103.10x = 156,131.26 × 47,889.22
  4. Step 4: Simplify right side
    104,103.10x = 7,477,004,259.02
  5. Step 5: Solve for x
    x = 7,477,004,259.02/104,103.10
  6. Step 6: Final answer
    x = 71,823.07

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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.