Home / 87,492.06-120,707.46-57,294.60

Finding the Fourth Proportional to 87,492.06, 120,707.46 and 57,294.60

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Solution

The fourth proportional to 87,492.06, 120,707.46 and 57,294.60 is: 79,045.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,492.06 : 120,707.46 = 57,294.60 : x
  2. Step 2: Convert to fraction form
    87,492.06/120,707.46 = 57,294.60/x
  3. Step 3: Cross multiply
    87,492.06x = 120,707.46 × 57,294.60
  4. Step 4: Simplify right side
    87,492.06x = 6,915,885,637.72
  5. Step 5: Solve for x
    x = 6,915,885,637.72/87,492.06
  6. Step 6: Final answer
    x = 79,045.87

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