Home / 76,813.56-115,192.60-29,441.96

Finding the Fourth Proportional to 76,813.56, 115,192.60 and 29,441.96

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Solution

The fourth proportional to 76,813.56, 115,192.60 and 29,441.96 is: 44,152.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,813.56 : 115,192.60 = 29,441.96 : x
  2. Step 2: Convert to fraction form
    76,813.56/115,192.60 = 29,441.96/x
  3. Step 3: Cross multiply
    76,813.56x = 115,192.60 × 29,441.96
  4. Step 4: Simplify right side
    76,813.56x = 3,391,495,921.50
  5. Step 5: Solve for x
    x = 3,391,495,921.50/76,813.56
  6. Step 6: Final answer
    x = 44,152.31

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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.