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Finding the Fourth Proportional to 70,521.62, 105,714.96 and 26,136.45

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Solution

The fourth proportional to 70,521.62, 105,714.96 and 26,136.45 is: 39,179.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,521.62 : 105,714.96 = 26,136.45 : x
  2. Step 2: Convert to fraction form
    70,521.62/105,714.96 = 26,136.45/x
  3. Step 3: Cross multiply
    70,521.62x = 105,714.96 × 26,136.45
  4. Step 4: Simplify right side
    70,521.62x = 2,763,013,766.29
  5. Step 5: Solve for x
    x = 2,763,013,766.29/70,521.62
  6. Step 6: Final answer
    x = 39,179.67

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