Home / 75,514.35-113,285.18-31,116.41

Finding the Fourth Proportional to 75,514.35, 113,285.18 and 31,116.41

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Solution

The fourth proportional to 75,514.35, 113,285.18 and 31,116.41 is: 46,680.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,514.35 : 113,285.18 = 31,116.41 : x
  2. Step 2: Convert to fraction form
    75,514.35/113,285.18 = 31,116.41/x
  3. Step 3: Cross multiply
    75,514.35x = 113,285.18 × 31,116.41
  4. Step 4: Simplify right side
    75,514.35x = 3,525,027,619.17
  5. Step 5: Solve for x
    x = 3,525,027,619.17/75,514.35
  6. Step 6: Final answer
    x = 46,680.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.