Home / 87,675.09-131,529.14-28,527.68

Finding the Fourth Proportional to 87,675.09, 131,529.14 and 28,527.68

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Solution

The fourth proportional to 87,675.09, 131,529.14 and 28,527.68 is: 42,796.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,675.09 : 131,529.14 = 28,527.68 : x
  2. Step 2: Convert to fraction form
    87,675.09/131,529.14 = 28,527.68/x
  3. Step 3: Cross multiply
    87,675.09x = 131,529.14 × 28,527.68
  4. Step 4: Simplify right side
    87,675.09x = 3,752,221,216.60
  5. Step 5: Solve for x
    x = 3,752,221,216.60/87,675.09
  6. Step 6: Final answer
    x = 42,796.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.