Home / 154,621.06-231,967.91-47,999.54

Finding the Fourth Proportional to 154,621.06, 231,967.91 and 47,999.54

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Solution

The fourth proportional to 154,621.06, 231,967.91 and 47,999.54 is: 72,010.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,621.06 : 231,967.91 = 47,999.54 : x
  2. Step 2: Convert to fraction form
    154,621.06/231,967.91 = 47,999.54/x
  3. Step 3: Cross multiply
    154,621.06x = 231,967.91 × 47,999.54
  4. Step 4: Simplify right side
    154,621.06x = 11,134,353,674.68
  5. Step 5: Solve for x
    x = 11,134,353,674.68/154,621.06
  6. Step 6: Final answer
    x = 72,010.59

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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.