Home / 75,625.36-104,382.24-45,412

Finding the Fourth Proportional to 75,625.36, 104,382.24 and 45,412

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Solution

The fourth proportional to 75,625.36, 104,382.24 and 45,412 is: 62,680.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,625.36 : 104,382.24 = 45,412 : x
  2. Step 2: Convert to fraction form
    75,625.36/104,382.24 = 45,412/x
  3. Step 3: Cross multiply
    75,625.36x = 104,382.24 × 45,412
  4. Step 4: Simplify right side
    75,625.36x = 4,740,206,282.88
  5. Step 5: Solve for x
    x = 4,740,206,282.88/75,625.36
  6. Step 6: Final answer
    x = 62,680.12

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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.