Home / 50,506.20-69,742.62-31,675.80

Finding the Fourth Proportional to 50,506.20, 69,742.62 and 31,675.80

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Solution

The fourth proportional to 50,506.20, 69,742.62 and 31,675.80 is: 43,740.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,506.20 : 69,742.62 = 31,675.80 : x
  2. Step 2: Convert to fraction form
    50,506.20/69,742.62 = 31,675.80/x
  3. Step 3: Cross multiply
    50,506.20x = 69,742.62 × 31,675.80
  4. Step 4: Simplify right side
    50,506.20x = 2,209,153,282.60
  5. Step 5: Solve for x
    x = 2,209,153,282.60/50,506.20
  6. Step 6: Final answer
    x = 43,740.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.