Home / 51,040.82-76,066.73-48,383.61

Finding the Fourth Proportional to 51,040.82, 76,066.73 and 48,383.61

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Solution

The fourth proportional to 51,040.82, 76,066.73 and 48,383.61 is: 72,106.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,040.82 : 76,066.73 = 48,383.61 : x
  2. Step 2: Convert to fraction form
    51,040.82/76,066.73 = 48,383.61/x
  3. Step 3: Cross multiply
    51,040.82x = 76,066.73 × 48,383.61
  4. Step 4: Simplify right side
    51,040.82x = 3,680,382,998.30
  5. Step 5: Solve for x
    x = 3,680,382,998.30/51,040.82
  6. Step 6: Final answer
    x = 72,106.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.