Home / 60,786.24-83,929.46-39,288.70

Finding the Fourth Proportional to 60,786.24, 83,929.46 and 39,288.70

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Solution

The fourth proportional to 60,786.24, 83,929.46 and 39,288.70 is: 54,247.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,786.24 : 83,929.46 = 39,288.70 : x
  2. Step 2: Convert to fraction form
    60,786.24/83,929.46 = 39,288.70/x
  3. Step 3: Cross multiply
    60,786.24x = 83,929.46 × 39,288.70
  4. Step 4: Simplify right side
    60,786.24x = 3,297,479,283.57
  5. Step 5: Solve for x
    x = 3,297,479,283.57/60,786.24
  6. Step 6: Final answer
    x = 54,247.14

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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.