Home / 74,659.89-103,023.17-45,974.96

Finding the Fourth Proportional to 74,659.89, 103,023.17 and 45,974.96

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Solution

The fourth proportional to 74,659.89, 103,023.17 and 45,974.96 is: 63,440.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,659.89 : 103,023.17 = 45,974.96 : x
  2. Step 2: Convert to fraction form
    74,659.89/103,023.17 = 45,974.96/x
  3. Step 3: Cross multiply
    74,659.89x = 103,023.17 × 45,974.96
  4. Step 4: Simplify right side
    74,659.89x = 4,736,485,604.71
  5. Step 5: Solve for x
    x = 4,736,485,604.71/74,659.89
  6. Step 6: Final answer
    x = 63,440.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.