Home / 99,917.34-137,884.26-54,594.33

Finding the Fourth Proportional to 99,917.34, 137,884.26 and 54,594.33

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Solution

The fourth proportional to 99,917.34, 137,884.26 and 54,594.33 is: 75,339.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,917.34 : 137,884.26 = 54,594.33 : x
  2. Step 2: Convert to fraction form
    99,917.34/137,884.26 = 54,594.33/x
  3. Step 3: Cross multiply
    99,917.34x = 137,884.26 × 54,594.33
  4. Step 4: Simplify right side
    99,917.34x = 7,527,698,792.25
  5. Step 5: Solve for x
    x = 7,527,698,792.25/99,917.34
  6. Step 6: Final answer
    x = 75,339.26

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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.