Home / 49,960.64-74,932.80-16,679.36

Finding the Fourth Proportional to 49,960.64, 74,932.80 and 16,679.36

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Solution

The fourth proportional to 49,960.64, 74,932.80 and 16,679.36 is: 25,016.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,960.64 : 74,932.80 = 16,679.36 : x
  2. Step 2: Convert to fraction form
    49,960.64/74,932.80 = 16,679.36/x
  3. Step 3: Cross multiply
    49,960.64x = 74,932.80 × 16,679.36
  4. Step 4: Simplify right side
    49,960.64x = 1,249,831,147.01
  5. Step 5: Solve for x
    x = 1,249,831,147.01/49,960.64
  6. Step 6: Final answer
    x = 25,016.32

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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.