Home / 120,501.32-180,749.24-41,608.12

Finding the Fourth Proportional to 120,501.32, 180,749.24 and 41,608.12

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Solution

The fourth proportional to 120,501.32, 180,749.24 and 41,608.12 is: 62,411.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,501.32 : 180,749.24 = 41,608.12 : x
  2. Step 2: Convert to fraction form
    120,501.32/180,749.24 = 41,608.12/x
  3. Step 3: Cross multiply
    120,501.32x = 180,749.24 × 41,608.12
  4. Step 4: Simplify right side
    120,501.32x = 7,520,636,067.83
  5. Step 5: Solve for x
    x = 7,520,636,067.83/120,501.32
  6. Step 6: Final answer
    x = 62,411.23

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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.