Home / 78,827.06-118,142.18-39,395.45

Finding the Fourth Proportional to 78,827.06, 118,142.18 and 39,395.45

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Solution

The fourth proportional to 78,827.06, 118,142.18 and 39,395.45 is: 59,044.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,827.06 : 118,142.18 = 39,395.45 : x
  2. Step 2: Convert to fraction form
    78,827.06/118,142.18 = 39,395.45/x
  3. Step 3: Cross multiply
    78,827.06x = 118,142.18 × 39,395.45
  4. Step 4: Simplify right side
    78,827.06x = 4,654,264,738.93
  5. Step 5: Solve for x
    x = 4,654,264,738.93/78,827.06
  6. Step 6: Final answer
    x = 59,044.00

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