Home / 101,788.36-140,467.77-56,473.25

Finding the Fourth Proportional to 101,788.36, 140,467.77 and 56,473.25

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Solution

The fourth proportional to 101,788.36, 140,467.77 and 56,473.25 is: 77,932.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,788.36 : 140,467.77 = 56,473.25 : x
  2. Step 2: Convert to fraction form
    101,788.36/140,467.77 = 56,473.25/x
  3. Step 3: Cross multiply
    101,788.36x = 140,467.77 × 56,473.25
  4. Step 4: Simplify right side
    101,788.36x = 7,932,670,789.81
  5. Step 5: Solve for x
    x = 7,932,670,789.81/101,788.36
  6. Step 6: Final answer
    x = 77,932.99

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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.