Home / 86,550.42-129,818.34-27,377.52

Finding the Fourth Proportional to 86,550.42, 129,818.34 and 27,377.52

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Solution

The fourth proportional to 86,550.42, 129,818.34 and 27,377.52 is: 41,063.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,550.42 : 129,818.34 = 27,377.52 : x
  2. Step 2: Convert to fraction form
    86,550.42/129,818.34 = 27,377.52/x
  3. Step 3: Cross multiply
    86,550.42x = 129,818.34 × 27,377.52
  4. Step 4: Simplify right side
    86,550.42x = 3,554,104,199.72
  5. Step 5: Solve for x
    x = 3,554,104,199.72/86,550.42
  6. Step 6: Final answer
    x = 41,063.97

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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.