Home / 82,961.40-124,442.10-49,783.80

Finding the Fourth Proportional to 82,961.40, 124,442.10 and 49,783.80

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Solution

The fourth proportional to 82,961.40, 124,442.10 and 49,783.80 is: 74,675.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,961.40 : 124,442.10 = 49,783.80 : x
  2. Step 2: Convert to fraction form
    82,961.40/124,442.10 = 49,783.80/x
  3. Step 3: Cross multiply
    82,961.40x = 124,442.10 × 49,783.80
  4. Step 4: Simplify right side
    82,961.40x = 6,195,200,617.98
  5. Step 5: Solve for x
    x = 6,195,200,617.98/82,961.40
  6. Step 6: Final answer
    x = 74,675.70

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