Home / 68,215.56-102,298.40-26,074.80

Finding the Fourth Proportional to 68,215.56, 102,298.40 and 26,074.80

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Solution

The fourth proportional to 68,215.56, 102,298.40 and 26,074.80 is: 39,102.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,215.56 : 102,298.40 = 26,074.80 : x
  2. Step 2: Convert to fraction form
    68,215.56/102,298.40 = 26,074.80/x
  3. Step 3: Cross multiply
    68,215.56x = 102,298.40 × 26,074.80
  4. Step 4: Simplify right side
    68,215.56x = 2,667,410,189.95
  5. Step 5: Solve for x
    x = 2,667,410,189.95/68,215.56
  6. Step 6: Final answer
    x = 39,102.66

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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.