Home / 84,669.36-126,994.32-22,344.72

Finding the Fourth Proportional to 84,669.36, 126,994.32 and 22,344.72

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Solution

The fourth proportional to 84,669.36, 126,994.32 and 22,344.72 is: 33,514.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,669.36 : 126,994.32 = 22,344.72 : x
  2. Step 2: Convert to fraction form
    84,669.36/126,994.32 = 22,344.72/x
  3. Step 3: Cross multiply
    84,669.36x = 126,994.32 × 22,344.72
  4. Step 4: Simplify right side
    84,669.36x = 2,837,652,521.99
  5. Step 5: Solve for x
    x = 2,837,652,521.99/84,669.36
  6. Step 6: Final answer
    x = 33,514.51

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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.