Home / 99,608.26-137,459.42-54,286.28

Finding the Fourth Proportional to 99,608.26, 137,459.42 and 54,286.28

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Solution

The fourth proportional to 99,608.26, 137,459.42 and 54,286.28 is: 74,915.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,608.26 : 137,459.42 = 54,286.28 : x
  2. Step 2: Convert to fraction form
    99,608.26/137,459.42 = 54,286.28/x
  3. Step 3: Cross multiply
    99,608.26x = 137,459.42 × 54,286.28
  4. Step 4: Simplify right side
    99,608.26x = 7,462,160,562.76
  5. Step 5: Solve for x
    x = 7,462,160,562.76/99,608.26
  6. Step 6: Final answer
    x = 74,915.08

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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.