Home / 120,480.12-180,803.07-41,594.37

Finding the Fourth Proportional to 120,480.12, 180,803.07 and 41,594.37

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Solution

The fourth proportional to 120,480.12, 180,803.07 and 41,594.37 is: 62,420.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,480.12 : 180,803.07 = 41,594.37 : x
  2. Step 2: Convert to fraction form
    120,480.12/180,803.07 = 41,594.37/x
  3. Step 3: Cross multiply
    120,480.12x = 180,803.07 × 41,594.37
  4. Step 4: Simplify right side
    120,480.12x = 7,520,389,790.72
  5. Step 5: Solve for x
    x = 7,520,389,790.72/120,480.12
  6. Step 6: Final answer
    x = 62,420.17

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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.