Home / 81,546.41-112,486.25-51,283.73

Finding the Fourth Proportional to 81,546.41, 112,486.25 and 51,283.73

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Solution

The fourth proportional to 81,546.41, 112,486.25 and 51,283.73 is: 70,741.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,546.41 : 112,486.25 = 51,283.73 : x
  2. Step 2: Convert to fraction form
    81,546.41/112,486.25 = 51,283.73/x
  3. Step 3: Cross multiply
    81,546.41x = 112,486.25 × 51,283.73
  4. Step 4: Simplify right side
    81,546.41x = 5,768,713,654.86
  5. Step 5: Solve for x
    x = 5,768,713,654.86/81,546.41
  6. Step 6: Final answer
    x = 70,741.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.