Home / 99,674.98-137,551.40-54,353.06

Finding the Fourth Proportional to 99,674.98, 137,551.40 and 54,353.06

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Solution

The fourth proportional to 99,674.98, 137,551.40 and 54,353.06 is: 75,007.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,674.98 : 137,551.40 = 54,353.06 : x
  2. Step 2: Convert to fraction form
    99,674.98/137,551.40 = 54,353.06/x
  3. Step 3: Cross multiply
    99,674.98x = 137,551.40 × 54,353.06
  4. Step 4: Simplify right side
    99,674.98x = 7,476,339,497.28
  5. Step 5: Solve for x
    x = 7,476,339,497.28/99,674.98
  6. Step 6: Final answer
    x = 75,007.18

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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.