Home / 83,958.34-115,865.34-45,719.36

Finding the Fourth Proportional to 83,958.34, 115,865.34 and 45,719.36

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Solution

The fourth proportional to 83,958.34, 115,865.34 and 45,719.36 is: 63,094.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,958.34 : 115,865.34 = 45,719.36 : x
  2. Step 2: Convert to fraction form
    83,958.34/115,865.34 = 45,719.36/x
  3. Step 3: Cross multiply
    83,958.34x = 115,865.34 × 45,719.36
  4. Step 4: Simplify right side
    83,958.34x = 5,297,289,190.98
  5. Step 5: Solve for x
    x = 5,297,289,190.98/83,958.34
  6. Step 6: Final answer
    x = 63,094.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.