Home / 91,436.68-125,902.24-80,042.41

Finding the Fourth Proportional to 91,436.68, 125,902.24 and 80,042.41

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Solution

The fourth proportional to 91,436.68, 125,902.24 and 80,042.41 is: 110,213.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,436.68 : 125,902.24 = 80,042.41 : x
  2. Step 2: Convert to fraction form
    91,436.68/125,902.24 = 80,042.41/x
  3. Step 3: Cross multiply
    91,436.68x = 125,902.24 × 80,042.41
  4. Step 4: Simplify right side
    91,436.68x = 10,077,518,714.00
  5. Step 5: Solve for x
    x = 10,077,518,714.00/91,436.68
  6. Step 6: Final answer
    x = 110,213.09

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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.