Home / 54,914.16-75,755.34-39,782.28

Finding the Fourth Proportional to 54,914.16, 75,755.34 and 39,782.28

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Solution

The fourth proportional to 54,914.16, 75,755.34 and 39,782.28 is: 54,880.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,914.16 : 75,755.34 = 39,782.28 : x
  2. Step 2: Convert to fraction form
    54,914.16/75,755.34 = 39,782.28/x
  3. Step 3: Cross multiply
    54,914.16x = 75,755.34 × 39,782.28
  4. Step 4: Simplify right side
    54,914.16x = 3,013,720,147.38
  5. Step 5: Solve for x
    x = 3,013,720,147.38/54,914.16
  6. Step 6: Final answer
    x = 54,880.57

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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.