Home / 92,478.20-138,717.30-33,315.80

Finding the Fourth Proportional to 92,478.20, 138,717.30 and 33,315.80

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Solution

The fourth proportional to 92,478.20, 138,717.30 and 33,315.80 is: 49,973.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,478.20 : 138,717.30 = 33,315.80 : x
  2. Step 2: Convert to fraction form
    92,478.20/138,717.30 = 33,315.80/x
  3. Step 3: Cross multiply
    92,478.20x = 138,717.30 × 33,315.80
  4. Step 4: Simplify right side
    92,478.20x = 4,621,477,823.34
  5. Step 5: Solve for x
    x = 4,621,477,823.34/92,478.20
  6. Step 6: Final answer
    x = 49,973.70

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