Home / 50,720.46-69,996.31-28,059.07

Finding the Fourth Proportional to 50,720.46, 69,996.31 and 28,059.07

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Solution

The fourth proportional to 50,720.46, 69,996.31 and 28,059.07 is: 38,722.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,720.46 : 69,996.31 = 28,059.07 : x
  2. Step 2: Convert to fraction form
    50,720.46/69,996.31 = 28,059.07/x
  3. Step 3: Cross multiply
    50,720.46x = 69,996.31 × 28,059.07
  4. Step 4: Simplify right side
    50,720.46x = 1,964,031,116.89
  5. Step 5: Solve for x
    x = 1,964,031,116.89/50,720.46
  6. Step 6: Final answer
    x = 38,722.66

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Double scale
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Similar ratio
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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.