Home / 92,826.90-127,777.38-80,120.40

Finding the Fourth Proportional to 92,826.90, 127,777.38 and 80,120.40

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Solution

The fourth proportional to 92,826.90, 127,777.38 and 80,120.40 is: 110,286.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,826.90 : 127,777.38 = 80,120.40 : x
  2. Step 2: Convert to fraction form
    92,826.90/127,777.38 = 80,120.40/x
  3. Step 3: Cross multiply
    92,826.90x = 127,777.38 × 80,120.40
  4. Step 4: Simplify right side
    92,826.90x = 10,237,574,796.55
  5. Step 5: Solve for x
    x = 10,237,574,796.55/92,826.90
  6. Step 6: Final answer
    x = 110,286.73

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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.