Home / 92,213.12-126,986.22-80,108.06

Finding the Fourth Proportional to 92,213.12, 126,986.22 and 80,108.06

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Solution

The fourth proportional to 92,213.12, 126,986.22 and 80,108.06 is: 110,316.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,213.12 : 126,986.22 = 80,108.06 : x
  2. Step 2: Convert to fraction form
    92,213.12/126,986.22 = 80,108.06/x
  3. Step 3: Cross multiply
    92,213.12x = 126,986.22 × 80,108.06
  4. Step 4: Simplify right side
    92,213.12x = 10,172,619,730.93
  5. Step 5: Solve for x
    x = 10,172,619,730.93/92,213.12
  6. Step 6: Final answer
    x = 110,316.40

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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.