Home / 74,659.28-103,029.82-41,125.28

Finding the Fourth Proportional to 74,659.28, 103,029.82 and 41,125.28

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Solution

The fourth proportional to 74,659.28, 103,029.82 and 41,125.28 is: 56,752.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,659.28 : 103,029.82 = 41,125.28 : x
  2. Step 2: Convert to fraction form
    74,659.28/103,029.82 = 41,125.28/x
  3. Step 3: Cross multiply
    74,659.28x = 103,029.82 × 41,125.28
  4. Step 4: Simplify right side
    74,659.28x = 4,237,130,195.85
  5. Step 5: Solve for x
    x = 4,237,130,195.85/74,659.28
  6. Step 6: Final answer
    x = 56,752.89

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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.