Home / 107,033.75-147,711.43-59,287.09

Finding the Fourth Proportional to 107,033.75, 147,711.43 and 59,287.09

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Solution

The fourth proportional to 107,033.75, 147,711.43 and 59,287.09 is: 81,818.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,033.75 : 147,711.43 = 59,287.09 : x
  2. Step 2: Convert to fraction form
    107,033.75/147,711.43 = 59,287.09/x
  3. Step 3: Cross multiply
    107,033.75x = 147,711.43 × 59,287.09
  4. Step 4: Simplify right side
    107,033.75x = 8,757,380,105.88
  5. Step 5: Solve for x
    x = 8,757,380,105.88/107,033.75
  6. Step 6: Final answer
    x = 81,818.87

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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.