Home / 78,961.41-118,499.25-30,937.19

Finding the Fourth Proportional to 78,961.41, 118,499.25 and 30,937.19

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Solution

The fourth proportional to 78,961.41, 118,499.25 and 30,937.19 is: 46,428.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,961.41 : 118,499.25 = 30,937.19 : x
  2. Step 2: Convert to fraction form
    78,961.41/118,499.25 = 30,937.19/x
  3. Step 3: Cross multiply
    78,961.41x = 118,499.25 × 30,937.19
  4. Step 4: Simplify right side
    78,961.41x = 3,666,033,219.61
  5. Step 5: Solve for x
    x = 3,666,033,219.61/78,961.41
  6. Step 6: Final answer
    x = 46,428.16

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