Home / 104,101.10-156,128.26-47,887.22

Finding the Fourth Proportional to 104,101.10, 156,128.26 and 47,887.22

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Solution

The fourth proportional to 104,101.10, 156,128.26 and 47,887.22 is: 71,820.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,101.10 : 156,128.26 = 47,887.22 : x
  2. Step 2: Convert to fraction form
    104,101.10/156,128.26 = 47,887.22/x
  3. Step 3: Cross multiply
    104,101.10x = 156,128.26 × 47,887.22
  4. Step 4: Simplify right side
    104,101.10x = 7,476,548,334.84
  5. Step 5: Solve for x
    x = 7,476,548,334.84/104,101.10
  6. Step 6: Final answer
    x = 71,820.07

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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.