Home / 76,840.98-115,233.74-32,471.16

Finding the Fourth Proportional to 76,840.98, 115,233.74 and 32,471.16

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Solution

The fourth proportional to 76,840.98, 115,233.74 and 32,471.16 is: 48,695.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,840.98 : 115,233.74 = 32,471.16 : x
  2. Step 2: Convert to fraction form
    76,840.98/115,233.74 = 32,471.16/x
  3. Step 3: Cross multiply
    76,840.98x = 115,233.74 × 32,471.16
  4. Step 4: Simplify right side
    76,840.98x = 3,741,773,208.94
  5. Step 5: Solve for x
    x = 3,741,773,208.94/76,840.98
  6. Step 6: Final answer
    x = 48,695.02

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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.