Home / 82,539.41-123,808.30-26,378.87

Finding the Fourth Proportional to 82,539.41, 123,808.30 and 26,378.87

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Solution

The fourth proportional to 82,539.41, 123,808.30 and 26,378.87 is: 39,568.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,539.41 : 123,808.30 = 26,378.87 : x
  2. Step 2: Convert to fraction form
    82,539.41/123,808.30 = 26,378.87/x
  3. Step 3: Cross multiply
    82,539.41x = 123,808.30 × 26,378.87
  4. Step 4: Simplify right side
    82,539.41x = 3,265,922,365.63
  5. Step 5: Solve for x
    x = 3,265,922,365.63/82,539.41
  6. Step 6: Final answer
    x = 39,568.04

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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.