Home / 47,902.23-66,105.05-27,770.81

Finding the Fourth Proportional to 47,902.23, 66,105.05 and 27,770.81

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Solution

The fourth proportional to 47,902.23, 66,105.05 and 27,770.81 is: 38,323.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,902.23 : 66,105.05 = 27,770.81 : x
  2. Step 2: Convert to fraction form
    47,902.23/66,105.05 = 27,770.81/x
  3. Step 3: Cross multiply
    47,902.23x = 66,105.05 × 27,770.81
  4. Step 4: Simplify right side
    47,902.23x = 1,835,790,314.21
  5. Step 5: Solve for x
    x = 1,835,790,314.21/47,902.23
  6. Step 6: Final answer
    x = 38,323.69

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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.