Home / 74,749.52-103,153.92-41,215.52

Finding the Fourth Proportional to 74,749.52, 103,153.92 and 41,215.52

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Solution

The fourth proportional to 74,749.52, 103,153.92 and 41,215.52 is: 56,877.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,749.52 : 103,153.92 = 41,215.52 : x
  2. Step 2: Convert to fraction form
    74,749.52/103,153.92 = 41,215.52/x
  3. Step 3: Cross multiply
    74,749.52x = 103,153.92 × 41,215.52
  4. Step 4: Simplify right side
    74,749.52x = 4,251,542,452.84
  5. Step 5: Solve for x
    x = 4,251,542,452.84/74,749.52
  6. Step 6: Final answer
    x = 56,877.19

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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.