Home / 114,729.48-158,242.41-66,979.98

Finding the Fourth Proportional to 114,729.48, 158,242.41 and 66,979.98

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Solution

The fourth proportional to 114,729.48, 158,242.41 and 66,979.98 is: 92,383.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,729.48 : 158,242.41 = 66,979.98 : x
  2. Step 2: Convert to fraction form
    114,729.48/158,242.41 = 66,979.98/x
  3. Step 3: Cross multiply
    114,729.48x = 158,242.41 × 66,979.98
  4. Step 4: Simplify right side
    114,729.48x = 10,599,073,456.95
  5. Step 5: Solve for x
    x = 10,599,073,456.95/114,729.48
  6. Step 6: Final answer
    x = 92,383.17

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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.