Home / 99,342.26-137,093.94-54,021.14

Finding the Fourth Proportional to 99,342.26, 137,093.94 and 54,021.14

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Solution

The fourth proportional to 99,342.26, 137,093.94 and 54,021.14 is: 74,550.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,342.26 : 137,093.94 = 54,021.14 : x
  2. Step 2: Convert to fraction form
    99,342.26/137,093.94 = 54,021.14/x
  3. Step 3: Cross multiply
    99,342.26x = 137,093.94 × 54,021.14
  4. Step 4: Simplify right side
    99,342.26x = 7,405,970,240.42
  5. Step 5: Solve for x
    x = 7,405,970,240.42/99,342.26
  6. Step 6: Final answer
    x = 74,550.05

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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.