Home / 77,996.52-117,004.50-25,391.88

Finding the Fourth Proportional to 77,996.52, 117,004.50 and 25,391.88

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Solution

The fourth proportional to 77,996.52, 117,004.50 and 25,391.88 is: 38,090.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,996.52 : 117,004.50 = 25,391.88 : x
  2. Step 2: Convert to fraction form
    77,996.52/117,004.50 = 25,391.88/x
  3. Step 3: Cross multiply
    77,996.52x = 117,004.50 × 25,391.88
  4. Step 4: Simplify right side
    77,996.52x = 2,970,964,223.46
  5. Step 5: Solve for x
    x = 2,970,964,223.46/77,996.52
  6. Step 6: Final answer
    x = 38,090.98

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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.