Home / 74,983.96-103,472.94-43,147.72

Finding the Fourth Proportional to 74,983.96, 103,472.94 and 43,147.72

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Solution

The fourth proportional to 74,983.96, 103,472.94 and 43,147.72 is: 59,541.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,983.96 : 103,472.94 = 43,147.72 : x
  2. Step 2: Convert to fraction form
    74,983.96/103,472.94 = 43,147.72/x
  3. Step 3: Cross multiply
    74,983.96x = 103,472.94 × 43,147.72
  4. Step 4: Simplify right side
    74,983.96x = 4,464,621,442.70
  5. Step 5: Solve for x
    x = 4,464,621,442.70/74,983.96
  6. Step 6: Final answer
    x = 59,541.02

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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.