Home / 80,407.96-110,975.76-48,581.44

Finding the Fourth Proportional to 80,407.96, 110,975.76 and 48,581.44

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Solution

The fourth proportional to 80,407.96, 110,975.76 and 48,581.44 is: 67,050.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,407.96 : 110,975.76 = 48,581.44 : x
  2. Step 2: Convert to fraction form
    80,407.96/110,975.76 = 48,581.44/x
  3. Step 3: Cross multiply
    80,407.96x = 110,975.76 × 48,581.44
  4. Step 4: Simplify right side
    80,407.96x = 5,391,362,225.89
  5. Step 5: Solve for x
    x = 5,391,362,225.89/80,407.96
  6. Step 6: Final answer
    x = 67,050.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.