Home / 50,770.76-70,059.17-28,111.01

Finding the Fourth Proportional to 50,770.76, 70,059.17 and 28,111.01

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Solution

The fourth proportional to 50,770.76, 70,059.17 and 28,111.01 is: 38,790.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,770.76 : 70,059.17 = 28,111.01 : x
  2. Step 2: Convert to fraction form
    50,770.76/70,059.17 = 28,111.01/x
  3. Step 3: Cross multiply
    50,770.76x = 70,059.17 × 28,111.01
  4. Step 4: Simplify right side
    50,770.76x = 1,969,433,537.61
  5. Step 5: Solve for x
    x = 1,969,433,537.61/50,770.76
  6. Step 6: Final answer
    x = 38,790.71

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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.