Home / 57,828.40-86,742.60-54,329.20

Finding the Fourth Proportional to 57,828.40, 86,742.60 and 54,329.20

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Solution

The fourth proportional to 57,828.40, 86,742.60 and 54,329.20 is: 81,493.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,828.40 : 86,742.60 = 54,329.20 : x
  2. Step 2: Convert to fraction form
    57,828.40/86,742.60 = 54,329.20/x
  3. Step 3: Cross multiply
    57,828.40x = 86,742.60 × 54,329.20
  4. Step 4: Simplify right side
    57,828.40x = 4,712,656,063.92
  5. Step 5: Solve for x
    x = 4,712,656,063.92/57,828.40
  6. Step 6: Final answer
    x = 81,493.80

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