Home / 80,038.35-120,063.60-23,874.06

Finding the Fourth Proportional to 80,038.35, 120,063.60 and 23,874.06

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Solution

The fourth proportional to 80,038.35, 120,063.60 and 23,874.06 is: 35,812.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,038.35 : 120,063.60 = 23,874.06 : x
  2. Step 2: Convert to fraction form
    80,038.35/120,063.60 = 23,874.06/x
  3. Step 3: Cross multiply
    80,038.35x = 120,063.60 × 23,874.06
  4. Step 4: Simplify right side
    80,038.35x = 2,866,405,590.22
  5. Step 5: Solve for x
    x = 2,866,405,590.22/80,038.35
  6. Step 6: Final answer
    x = 35,812.90

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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.