Home / 75,111.56-103,653.06-41,578.28

Finding the Fourth Proportional to 75,111.56, 103,653.06 and 41,578.28

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Solution

The fourth proportional to 75,111.56, 103,653.06 and 41,578.28 is: 57,377.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,111.56 : 103,653.06 = 41,578.28 : x
  2. Step 2: Convert to fraction form
    75,111.56/103,653.06 = 41,578.28/x
  3. Step 3: Cross multiply
    75,111.56x = 103,653.06 × 41,578.28
  4. Step 4: Simplify right side
    75,111.56x = 4,309,715,951.54
  5. Step 5: Solve for x
    x = 4,309,715,951.54/75,111.56
  6. Step 6: Final answer
    x = 57,377.53

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1.5x scale

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.