Home / 77,384.21-116,076.32-51,082.80

Finding the Fourth Proportional to 77,384.21, 116,076.32 and 51,082.80

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Solution

The fourth proportional to 77,384.21, 116,076.32 and 51,082.80 is: 76,624.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,384.21 : 116,076.32 = 51,082.80 : x
  2. Step 2: Convert to fraction form
    77,384.21/116,076.32 = 51,082.80/x
  3. Step 3: Cross multiply
    77,384.21x = 116,076.32 × 51,082.80
  4. Step 4: Simplify right side
    77,384.21x = 5,929,503,449.42
  5. Step 5: Solve for x
    x = 5,929,503,449.42/77,384.21
  6. Step 6: Final answer
    x = 76,624.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.