Home / 60,521.33-90,786.83-18,405.17

Finding the Fourth Proportional to 60,521.33, 90,786.83 and 18,405.17

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Solution

The fourth proportional to 60,521.33, 90,786.83 and 18,405.17 is: 27,609.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,521.33 : 90,786.83 = 18,405.17 : x
  2. Step 2: Convert to fraction form
    60,521.33/90,786.83 = 18,405.17/x
  3. Step 3: Cross multiply
    60,521.33x = 90,786.83 × 18,405.17
  4. Step 4: Simplify right side
    60,521.33x = 1,670,947,039.91
  5. Step 5: Solve for x
    x = 1,670,947,039.91/60,521.33
  6. Step 6: Final answer
    x = 27,609.23

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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.