Home / 75,514.48-113,285.38-31,116.54

Finding the Fourth Proportional to 75,514.48, 113,285.38 and 31,116.54

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Solution

The fourth proportional to 75,514.48, 113,285.38 and 31,116.54 is: 46,680.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,514.48 : 113,285.38 = 31,116.54 : x
  2. Step 2: Convert to fraction form
    75,514.48/113,285.38 = 31,116.54/x
  3. Step 3: Cross multiply
    75,514.48x = 113,285.38 × 31,116.54
  4. Step 4: Simplify right side
    75,514.48x = 3,525,049,058.19
  5. Step 5: Solve for x
    x = 3,525,049,058.19/75,514.48
  6. Step 6: Final answer
    x = 46,680.44

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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.