Home / 76,000.82-114,001.25-19,840.77

Finding the Fourth Proportional to 76,000.82, 114,001.25 and 19,840.77

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Solution

The fourth proportional to 76,000.82, 114,001.25 and 19,840.77 is: 29,761.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,000.82 : 114,001.25 = 19,840.77 : x
  2. Step 2: Convert to fraction form
    76,000.82/114,001.25 = 19,840.77/x
  3. Step 3: Cross multiply
    76,000.82x = 114,001.25 × 19,840.77
  4. Step 4: Simplify right side
    76,000.82x = 2,261,872,481.76
  5. Step 5: Solve for x
    x = 2,261,872,481.76/76,000.82
  6. Step 6: Final answer
    x = 29,761.16

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1.5x scale

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.