Home / 76,902.56-115,353.13-24,312.05

Finding the Fourth Proportional to 76,902.56, 115,353.13 and 24,312.05

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Solution

The fourth proportional to 76,902.56, 115,353.13 and 24,312.05 is: 36,467.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,902.56 : 115,353.13 = 24,312.05 : x
  2. Step 2: Convert to fraction form
    76,902.56/115,353.13 = 24,312.05/x
  3. Step 3: Cross multiply
    76,902.56x = 115,353.13 × 24,312.05
  4. Step 4: Simplify right side
    76,902.56x = 2,804,470,942.66
  5. Step 5: Solve for x
    x = 2,804,470,942.66/76,902.56
  6. Step 6: Final answer
    x = 36,467.85

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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.