Home / 114,623.60-171,935.40-31,517.60

Finding the Fourth Proportional to 114,623.60, 171,935.40 and 31,517.60

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Solution

The fourth proportional to 114,623.60, 171,935.40 and 31,517.60 is: 47,276.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,623.60 : 171,935.40 = 31,517.60 : x
  2. Step 2: Convert to fraction form
    114,623.60/171,935.40 = 31,517.60/x
  3. Step 3: Cross multiply
    114,623.60x = 171,935.40 × 31,517.60
  4. Step 4: Simplify right side
    114,623.60x = 5,418,991,163.04
  5. Step 5: Solve for x
    x = 5,418,991,163.04/114,623.60
  6. Step 6: Final answer
    x = 47,276.40

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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.