Home / 77,514.54-116,272.44-21,357.75

Finding the Fourth Proportional to 77,514.54, 116,272.44 and 21,357.75

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Solution

The fourth proportional to 77,514.54, 116,272.44 and 21,357.75 is: 32,036.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,514.54 : 116,272.44 = 21,357.75 : x
  2. Step 2: Convert to fraction form
    77,514.54/116,272.44 = 21,357.75/x
  3. Step 3: Cross multiply
    77,514.54x = 116,272.44 × 21,357.75
  4. Step 4: Simplify right side
    77,514.54x = 2,483,317,705.41
  5. Step 5: Solve for x
    x = 2,483,317,705.41/77,514.54
  6. Step 6: Final answer
    x = 32,036.80

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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.