Home / 97,815.33-135,047.88-67,239.27

Finding the Fourth Proportional to 97,815.33, 135,047.88 and 67,239.27

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Solution

The fourth proportional to 97,815.33, 135,047.88 and 67,239.27 is: 92,833.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,815.33 : 135,047.88 = 67,239.27 : x
  2. Step 2: Convert to fraction form
    97,815.33/135,047.88 = 67,239.27/x
  3. Step 3: Cross multiply
    97,815.33x = 135,047.88 × 67,239.27
  4. Step 4: Simplify right side
    97,815.33x = 9,080,520,866.25
  5. Step 5: Solve for x
    x = 9,080,520,866.25/97,815.33
  6. Step 6: Final answer
    x = 92,833.31

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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.