Home / 114,623.47-158,177.31-68,709.05

Finding the Fourth Proportional to 114,623.47, 158,177.31 and 68,709.05

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Solution

The fourth proportional to 114,623.47, 158,177.31 and 68,709.05 is: 94,816.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,623.47 : 158,177.31 = 68,709.05 : x
  2. Step 2: Convert to fraction form
    114,623.47/158,177.31 = 68,709.05/x
  3. Step 3: Cross multiply
    114,623.47x = 158,177.31 × 68,709.05
  4. Step 4: Simplify right side
    114,623.47x = 10,868,213,318.06
  5. Step 5: Solve for x
    x = 10,868,213,318.06/114,623.47
  6. Step 6: Final answer
    x = 94,816.64

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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.