Home / 92,239.08-127,021.92-80,134.03

Finding the Fourth Proportional to 92,239.08, 127,021.92 and 80,134.03

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Solution

The fourth proportional to 92,239.08, 127,021.92 and 80,134.03 is: 110,352.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,239.08 : 127,021.92 = 80,134.03 : x
  2. Step 2: Convert to fraction form
    92,239.08/127,021.92 = 80,134.03/x
  3. Step 3: Cross multiply
    92,239.08x = 127,021.92 × 80,134.03
  4. Step 4: Simplify right side
    92,239.08x = 10,178,777,947.27
  5. Step 5: Solve for x
    x = 10,178,777,947.27/92,239.08
  6. Step 6: Final answer
    x = 110,352.13

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1.5x scale

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.