Home / 84,019.88-115,950.06-48,216.44

Finding the Fourth Proportional to 84,019.88, 115,950.06 and 48,216.44

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Solution

The fourth proportional to 84,019.88, 115,950.06 and 48,216.44 is: 66,540.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,019.88 : 115,950.06 = 48,216.44 : x
  2. Step 2: Convert to fraction form
    84,019.88/115,950.06 = 48,216.44/x
  3. Step 3: Cross multiply
    84,019.88x = 115,950.06 × 48,216.44
  4. Step 4: Simplify right side
    84,019.88x = 5,590,699,110.99
  5. Step 5: Solve for x
    x = 5,590,699,110.99/84,019.88
  6. Step 6: Final answer
    x = 66,540.19

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1.5x scale

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.