Home / 50,790.38-70,125.36-31,677.62

Finding the Fourth Proportional to 50,790.38, 70,125.36 and 31,677.62

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Solution

The fourth proportional to 50,790.38, 70,125.36 and 31,677.62 is: 43,736.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,790.38 : 70,125.36 = 31,677.62 : x
  2. Step 2: Convert to fraction form
    50,790.38/70,125.36 = 31,677.62/x
  3. Step 3: Cross multiply
    50,790.38x = 70,125.36 × 31,677.62
  4. Step 4: Simplify right side
    50,790.38x = 2,221,404,506.44
  5. Step 5: Solve for x
    x = 2,221,404,506.44/50,790.38
  6. Step 6: Final answer
    x = 43,736.72

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1.5x scale

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.