Home / 74,905.49-103,367.76-43,073.66

Finding the Fourth Proportional to 74,905.49, 103,367.76 and 43,073.66

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Solution

The fourth proportional to 74,905.49, 103,367.76 and 43,073.66 is: 59,440.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,905.49 : 103,367.76 = 43,073.66 : x
  2. Step 2: Convert to fraction form
    74,905.49/103,367.76 = 43,073.66/x
  3. Step 3: Cross multiply
    74,905.49x = 103,367.76 × 43,073.66
  4. Step 4: Simplify right side
    74,905.49x = 4,452,427,749.20
  5. Step 5: Solve for x
    x = 4,452,427,749.20/74,905.49
  6. Step 6: Final answer
    x = 59,440.61

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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.