Home / 74,240.20-111,434.44-40,975.93

Finding the Fourth Proportional to 74,240.20, 111,434.44 and 40,975.93

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Solution

The fourth proportional to 74,240.20, 111,434.44 and 40,975.93 is: 61,504.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,240.20 : 111,434.44 = 40,975.93 : x
  2. Step 2: Convert to fraction form
    74,240.20/111,434.44 = 40,975.93/x
  3. Step 3: Cross multiply
    74,240.20x = 111,434.44 × 40,975.93
  4. Step 4: Simplify right side
    74,240.20x = 4,566,129,813.03
  5. Step 5: Solve for x
    x = 4,566,129,813.03/74,240.20
  6. Step 6: Final answer
    x = 61,504.82

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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.