Home / 76,629.85-114,795.30-43,248.94

Finding the Fourth Proportional to 76,629.85, 114,795.30 and 43,248.94

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Solution

The fourth proportional to 76,629.85, 114,795.30 and 43,248.94 is: 64,789.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,629.85 : 114,795.30 = 43,248.94 : x
  2. Step 2: Convert to fraction form
    76,629.85/114,795.30 = 43,248.94/x
  3. Step 3: Cross multiply
    76,629.85x = 114,795.30 × 43,248.94
  4. Step 4: Simplify right side
    76,629.85x = 4,964,775,041.98
  5. Step 5: Solve for x
    x = 4,964,775,041.98/76,629.85
  6. Step 6: Final answer
    x = 64,789.05

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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.