Home / 50,770.14-70,060.50-28,107.54

Finding the Fourth Proportional to 50,770.14, 70,060.50 and 28,107.54

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Solution

The fourth proportional to 50,770.14, 70,060.50 and 28,107.54 is: 38,787.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,770.14 : 70,060.50 = 28,107.54 : x
  2. Step 2: Convert to fraction form
    50,770.14/70,060.50 = 28,107.54/x
  3. Step 3: Cross multiply
    50,770.14x = 70,060.50 × 28,107.54
  4. Step 4: Simplify right side
    50,770.14x = 1,969,228,306.17
  5. Step 5: Solve for x
    x = 1,969,228,306.17/50,770.14
  6. Step 6: Final answer
    x = 38,787.14

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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.