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Finding the Fourth Proportional to 70,960.57, 97,926.32 and 39,130.61

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Solution

The fourth proportional to 70,960.57, 97,926.32 and 39,130.61 is: 54,000.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,960.57 : 97,926.32 = 39,130.61 : x
  2. Step 2: Convert to fraction form
    70,960.57/97,926.32 = 39,130.61/x
  3. Step 3: Cross multiply
    70,960.57x = 97,926.32 × 39,130.61
  4. Step 4: Simplify right side
    70,960.57x = 3,831,916,636.66
  5. Step 5: Solve for x
    x = 3,831,916,636.66/70,960.57
  6. Step 6: Final answer
    x = 54,000.65

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