Home / 75,517.31-104,216.90-45,291.61

Finding the Fourth Proportional to 75,517.31, 104,216.90 and 45,291.61

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Solution

The fourth proportional to 75,517.31, 104,216.90 and 45,291.61 is: 62,504.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,517.31 : 104,216.90 = 45,291.61 : x
  2. Step 2: Convert to fraction form
    75,517.31/104,216.90 = 45,291.61/x
  3. Step 3: Cross multiply
    75,517.31x = 104,216.90 × 45,291.61
  4. Step 4: Simplify right side
    75,517.31x = 4,720,150,889.95
  5. Step 5: Solve for x
    x = 4,720,150,889.95/75,517.31
  6. Step 6: Final answer
    x = 62,504.22

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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.