Home / 74,172.68-111,174.24-26,766.08

Finding the Fourth Proportional to 74,172.68, 111,174.24 and 26,766.08

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Solution

The fourth proportional to 74,172.68, 111,174.24 and 26,766.08 is: 40,118.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,172.68 : 111,174.24 = 26,766.08 : x
  2. Step 2: Convert to fraction form
    74,172.68/111,174.24 = 26,766.08/x
  3. Step 3: Cross multiply
    74,172.68x = 111,174.24 × 26,766.08
  4. Step 4: Simplify right side
    74,172.68x = 2,975,698,601.78
  5. Step 5: Solve for x
    x = 2,975,698,601.78/74,172.68
  6. Step 6: Final answer
    x = 40,118.53

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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.