Home / 99,922.14-137,894.38-54,602.03

Finding the Fourth Proportional to 99,922.14, 137,894.38 and 54,602.03

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Solution

The fourth proportional to 99,922.14, 137,894.38 and 54,602.03 is: 75,351.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,922.14 : 137,894.38 = 54,602.03 : x
  2. Step 2: Convert to fraction form
    99,922.14/137,894.38 = 54,602.03/x
  3. Step 3: Cross multiply
    99,922.14x = 137,894.38 × 54,602.03
  4. Step 4: Simplify right side
    99,922.14x = 7,529,313,281.82
  5. Step 5: Solve for x
    x = 7,529,313,281.82/99,922.14
  6. Step 6: Final answer
    x = 75,351.80

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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.