Home / 74,383.63-111,576.35-21,794.18

Finding the Fourth Proportional to 74,383.63, 111,576.35 and 21,794.18

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Solution

The fourth proportional to 74,383.63, 111,576.35 and 21,794.18 is: 32,691.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,383.63 : 111,576.35 = 21,794.18 : x
  2. Step 2: Convert to fraction form
    74,383.63/111,576.35 = 21,794.18/x
  3. Step 3: Cross multiply
    74,383.63x = 111,576.35 × 21,794.18
  4. Step 4: Simplify right side
    74,383.63x = 2,431,714,552.25
  5. Step 5: Solve for x
    x = 2,431,714,552.25/74,383.63
  6. Step 6: Final answer
    x = 32,691.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.