Home / 76,769.46-115,132.32-48,647.07

Finding the Fourth Proportional to 76,769.46, 115,132.32 and 48,647.07

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Solution

The fourth proportional to 76,769.46, 115,132.32 and 48,647.07 is: 72,956.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,769.46 : 115,132.32 = 48,647.07 : x
  2. Step 2: Convert to fraction form
    76,769.46/115,132.32 = 48,647.07/x
  3. Step 3: Cross multiply
    76,769.46x = 115,132.32 × 48,647.07
  4. Step 4: Simplify right side
    76,769.46x = 5,600,850,030.30
  5. Step 5: Solve for x
    x = 5,600,850,030.30/76,769.46
  6. Step 6: Final answer
    x = 72,956.75

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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.