Home / 99,504.75-137,314.59-54,183.28

Finding the Fourth Proportional to 99,504.75, 137,314.59 and 54,183.28

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Solution

The fourth proportional to 99,504.75, 137,314.59 and 54,183.28 is: 74,771.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,504.75 : 137,314.59 = 54,183.28 : x
  2. Step 2: Convert to fraction form
    99,504.75/137,314.59 = 54,183.28/x
  3. Step 3: Cross multiply
    99,504.75x = 137,314.59 × 54,183.28
  4. Step 4: Simplify right side
    99,504.75x = 7,440,154,893.83
  5. Step 5: Solve for x
    x = 7,440,154,893.83/99,504.75
  6. Step 6: Final answer
    x = 74,771.85

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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.