Home / 76,625.54-114,948.35-25,317.15

Finding the Fourth Proportional to 76,625.54, 114,948.35 and 25,317.15

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Solution

The fourth proportional to 76,625.54, 114,948.35 and 25,317.15 is: 37,979.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,625.54 : 114,948.35 = 25,317.15 : x
  2. Step 2: Convert to fraction form
    76,625.54/114,948.35 = 25,317.15/x
  3. Step 3: Cross multiply
    76,625.54x = 114,948.35 × 25,317.15
  4. Step 4: Simplify right side
    76,625.54x = 2,910,164,619.20
  5. Step 5: Solve for x
    x = 2,910,164,619.20/76,625.54
  6. Step 6: Final answer
    x = 37,979.04

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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.