Home / 74,656.40-111,837-44,986.64

Finding the Fourth Proportional to 74,656.40, 111,837 and 44,986.64

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Solution

The fourth proportional to 74,656.40, 111,837 and 44,986.64 is: 67,391.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,656.40 : 111,837 = 44,986.64 : x
  2. Step 2: Convert to fraction form
    74,656.40/111,837 = 44,986.64/x
  3. Step 3: Cross multiply
    74,656.40x = 111,837 × 44,986.64
  4. Step 4: Simplify right side
    74,656.40x = 5,031,170,857.68
  5. Step 5: Solve for x
    x = 5,031,170,857.68/74,656.40
  6. Step 6: Final answer
    x = 67,391.02

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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.