Home / 44,109.52-66,164.80-12,945.44

Finding the Fourth Proportional to 44,109.52, 66,164.80 and 12,945.44

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Solution

The fourth proportional to 44,109.52, 66,164.80 and 12,945.44 is: 19,418.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,109.52 : 66,164.80 = 12,945.44 : x
  2. Step 2: Convert to fraction form
    44,109.52/66,164.80 = 12,945.44/x
  3. Step 3: Cross multiply
    44,109.52x = 66,164.80 × 12,945.44
  4. Step 4: Simplify right side
    44,109.52x = 856,532,448.51
  5. Step 5: Solve for x
    x = 856,532,448.51/44,109.52
  6. Step 6: Final answer
    x = 19,418.31

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1.5x scale

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.