Home / 68,826.20-94,987.34-38,619.68

Finding the Fourth Proportional to 68,826.20, 94,987.34 and 38,619.68

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Solution

The fourth proportional to 68,826.20, 94,987.34 and 38,619.68 is: 53,299.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,826.20 : 94,987.34 = 38,619.68 : x
  2. Step 2: Convert to fraction form
    68,826.20/94,987.34 = 38,619.68/x
  3. Step 3: Cross multiply
    68,826.20x = 94,987.34 × 38,619.68
  4. Step 4: Simplify right side
    68,826.20x = 3,668,380,674.85
  5. Step 5: Solve for x
    x = 3,668,380,674.85/68,826.20
  6. Step 6: Final answer
    x = 53,299.19

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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.