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Finding the Fourth Proportional to 85,005.99, 127,454.31 and 32,386.77

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Solution

The fourth proportional to 85,005.99, 127,454.31 and 32,386.77 is: 48,559.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,005.99 : 127,454.31 = 32,386.77 : x
  2. Step 2: Convert to fraction form
    85,005.99/127,454.31 = 32,386.77/x
  3. Step 3: Cross multiply
    85,005.99x = 127,454.31 × 32,386.77
  4. Step 4: Simplify right side
    85,005.99x = 4,127,833,423.48
  5. Step 5: Solve for x
    x = 4,127,833,423.48/85,005.99
  6. Step 6: Final answer
    x = 48,559.32

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