Home / 42,755.04-64,131.48-11,589.48

Finding the Fourth Proportional to 42,755.04, 64,131.48 and 11,589.48

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Solution

The fourth proportional to 42,755.04, 64,131.48 and 11,589.48 is: 17,383.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,755.04 : 64,131.48 = 11,589.48 : x
  2. Step 2: Convert to fraction form
    42,755.04/64,131.48 = 11,589.48/x
  3. Step 3: Cross multiply
    42,755.04x = 64,131.48 × 11,589.48
  4. Step 4: Simplify right side
    42,755.04x = 743,250,504.83
  5. Step 5: Solve for x
    x = 743,250,504.83/42,755.04
  6. Step 6: Final answer
    x = 17,383.93

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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.