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Finding the Fourth Proportional to 85,148.82, 117,509.01 and 47,423.07

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Solution

The fourth proportional to 85,148.82, 117,509.01 and 47,423.07 is: 65,445.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,148.82 : 117,509.01 = 47,423.07 : x
  2. Step 2: Convert to fraction form
    85,148.82/117,509.01 = 47,423.07/x
  3. Step 3: Cross multiply
    85,148.82x = 117,509.01 × 47,423.07
  4. Step 4: Simplify right side
    85,148.82x = 5,572,638,006.86
  5. Step 5: Solve for x
    x = 5,572,638,006.86/85,148.82
  6. Step 6: Final answer
    x = 65,445.86

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