Home / 74,774.93-112,183.59-30,433.51

Finding the Fourth Proportional to 74,774.93, 112,183.59 and 30,433.51

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Solution

The fourth proportional to 74,774.93, 112,183.59 and 30,433.51 is: 45,658.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,774.93 : 112,183.59 = 30,433.51 : x
  2. Step 2: Convert to fraction form
    74,774.93/112,183.59 = 30,433.51/x
  3. Step 3: Cross multiply
    74,774.93x = 112,183.59 × 30,433.51
  4. Step 4: Simplify right side
    74,774.93x = 3,414,139,695.02
  5. Step 5: Solve for x
    x = 3,414,139,695.02/74,774.93
  6. Step 6: Final answer
    x = 45,658.88

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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.