Home / 50,689.20-76,033.80-31,006.20

Finding the Fourth Proportional to 50,689.20, 76,033.80 and 31,006.20

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Solution

The fourth proportional to 50,689.20, 76,033.80 and 31,006.20 is: 46,509.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,689.20 : 76,033.80 = 31,006.20 : x
  2. Step 2: Convert to fraction form
    50,689.20/76,033.80 = 31,006.20/x
  3. Step 3: Cross multiply
    50,689.20x = 76,033.80 × 31,006.20
  4. Step 4: Simplify right side
    50,689.20x = 2,357,519,209.56
  5. Step 5: Solve for x
    x = 2,357,519,209.56/50,689.20
  6. Step 6: Final answer
    x = 46,509.30

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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.