Home / 77,555.34-116,180.73-51,179.58

Finding the Fourth Proportional to 77,555.34, 116,180.73 and 51,179.58

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Solution

The fourth proportional to 77,555.34, 116,180.73 and 51,179.58 is: 76,668.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,555.34 : 116,180.73 = 51,179.58 : x
  2. Step 2: Convert to fraction form
    77,555.34/116,180.73 = 51,179.58/x
  3. Step 3: Cross multiply
    77,555.34x = 116,180.73 × 51,179.58
  4. Step 4: Simplify right side
    77,555.34x = 5,946,080,965.49
  5. Step 5: Solve for x
    x = 5,946,080,965.49/77,555.34
  6. Step 6: Final answer
    x = 76,668.88

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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.