Home / 86,467.38-129,705.04-26,491.56

Finding the Fourth Proportional to 86,467.38, 129,705.04 and 26,491.56

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Solution

The fourth proportional to 86,467.38, 129,705.04 and 26,491.56 is: 39,738.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,467.38 : 129,705.04 = 26,491.56 : x
  2. Step 2: Convert to fraction form
    86,467.38/129,705.04 = 26,491.56/x
  3. Step 3: Cross multiply
    86,467.38x = 129,705.04 × 26,491.56
  4. Step 4: Simplify right side
    86,467.38x = 3,436,088,396.18
  5. Step 5: Solve for x
    x = 3,436,088,396.18/86,467.38
  6. Step 6: Final answer
    x = 39,738.55

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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.