Home / 120,037.98-180,065.73-41,151.54

Finding the Fourth Proportional to 120,037.98, 180,065.73 and 41,151.54

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Solution

The fourth proportional to 120,037.98, 180,065.73 and 41,151.54 is: 61,730.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,037.98 : 180,065.73 = 41,151.54 : x
  2. Step 2: Convert to fraction form
    120,037.98/180,065.73 = 41,151.54/x
  3. Step 3: Cross multiply
    120,037.98x = 180,065.73 × 41,151.54
  4. Step 4: Simplify right side
    120,037.98x = 7,409,982,090.72
  5. Step 5: Solve for x
    x = 7,409,982,090.72/120,037.98
  6. Step 6: Final answer
    x = 61,730.31

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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.