Home / 88,004.34-131,754.93-82,417.92

Finding the Fourth Proportional to 88,004.34, 131,754.93 and 82,417.92

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Solution

The fourth proportional to 88,004.34, 131,754.93 and 82,417.92 is: 123,391.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,004.34 : 131,754.93 = 82,417.92 : x
  2. Step 2: Convert to fraction form
    88,004.34/131,754.93 = 82,417.92/x
  3. Step 3: Cross multiply
    88,004.34x = 131,754.93 × 82,417.92
  4. Step 4: Simplify right side
    88,004.34x = 10,858,967,280.35
  5. Step 5: Solve for x
    x = 10,858,967,280.35/88,004.34
  6. Step 6: Final answer
    x = 123,391.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.