Home / 49,808.40-74,713.32-16,080.72

Finding the Fourth Proportional to 49,808.40, 74,713.32 and 16,080.72

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Solution

The fourth proportional to 49,808.40, 74,713.32 and 16,080.72 is: 24,121.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,808.40 : 74,713.32 = 16,080.72 : x
  2. Step 2: Convert to fraction form
    49,808.40/74,713.32 = 16,080.72/x
  3. Step 3: Cross multiply
    49,808.40x = 74,713.32 × 16,080.72
  4. Step 4: Simplify right side
    49,808.40x = 1,201,443,979.19
  5. Step 5: Solve for x
    x = 1,201,443,979.19/49,808.40
  6. Step 6: Final answer
    x = 24,121.31

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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.