Home / 84,445.48-116,589-54,243.82

Finding the Fourth Proportional to 84,445.48, 116,589 and 54,243.82

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Solution

The fourth proportional to 84,445.48, 116,589 and 54,243.82 is: 74,891.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,445.48 : 116,589 = 54,243.82 : x
  2. Step 2: Convert to fraction form
    84,445.48/116,589 = 54,243.82/x
  3. Step 3: Cross multiply
    84,445.48x = 116,589 × 54,243.82
  4. Step 4: Simplify right side
    84,445.48x = 6,324,232,729.98
  5. Step 5: Solve for x
    x = 6,324,232,729.98/84,445.48
  6. Step 6: Final answer
    x = 74,891.31

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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.