Home / 50,711.40-76,067.10-13,271.40

Finding the Fourth Proportional to 50,711.40, 76,067.10 and 13,271.40

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Solution

The fourth proportional to 50,711.40, 76,067.10 and 13,271.40 is: 19,907.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,711.40 : 76,067.10 = 13,271.40 : x
  2. Step 2: Convert to fraction form
    50,711.40/76,067.10 = 13,271.40/x
  3. Step 3: Cross multiply
    50,711.40x = 76,067.10 × 13,271.40
  4. Step 4: Simplify right side
    50,711.40x = 1,009,516,910.94
  5. Step 5: Solve for x
    x = 1,009,516,910.94/50,711.40
  6. Step 6: Final answer
    x = 19,907.10

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1.5x scale

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.