Home / 104,140.19-156,085.07-47,902.79

Finding the Fourth Proportional to 104,140.19, 156,085.07 and 47,902.79

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Solution

The fourth proportional to 104,140.19, 156,085.07 and 47,902.79 is: 71,796.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,140.19 : 156,085.07 = 47,902.79 : x
  2. Step 2: Convert to fraction form
    104,140.19/156,085.07 = 47,902.79/x
  3. Step 3: Cross multiply
    104,140.19x = 156,085.07 × 47,902.79
  4. Step 4: Simplify right side
    104,140.19x = 7,476,910,481.04
  5. Step 5: Solve for x
    x = 7,476,910,481.04/104,140.19
  6. Step 6: Final answer
    x = 71,796.59

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1.5x scale

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.