Home / 44,270.25-66,418.38-13,106.31

Finding the Fourth Proportional to 44,270.25, 66,418.38 and 13,106.31

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Solution

The fourth proportional to 44,270.25, 66,418.38 and 13,106.31 is: 19,663.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,270.25 : 66,418.38 = 13,106.31 : x
  2. Step 2: Convert to fraction form
    44,270.25/66,418.38 = 13,106.31/x
  3. Step 3: Cross multiply
    44,270.25x = 66,418.38 × 13,106.31
  4. Step 4: Simplify right side
    44,270.25x = 870,499,877.98
  5. Step 5: Solve for x
    x = 870,499,877.98/44,270.25
  6. Step 6: Final answer
    x = 19,663.32

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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.