Home / 74,161.55-111,242.37-18,001.74

Finding the Fourth Proportional to 74,161.55, 111,242.37 and 18,001.74

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Solution

The fourth proportional to 74,161.55, 111,242.37 and 18,001.74 is: 27,002.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,161.55 : 111,242.37 = 18,001.74 : x
  2. Step 2: Convert to fraction form
    74,161.55/111,242.37 = 18,001.74/x
  3. Step 3: Cross multiply
    74,161.55x = 111,242.37 × 18,001.74
  4. Step 4: Simplify right side
    74,161.55x = 2,002,556,221.72
  5. Step 5: Solve for x
    x = 2,002,556,221.72/74,161.55
  6. Step 6: Final answer
    x = 27,002.62

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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.