Home / 82,254.80-123,382.20-29,669.60

Finding the Fourth Proportional to 82,254.80, 123,382.20 and 29,669.60

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Solution

The fourth proportional to 82,254.80, 123,382.20 and 29,669.60 is: 44,504.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,254.80 : 123,382.20 = 29,669.60 : x
  2. Step 2: Convert to fraction form
    82,254.80/123,382.20 = 29,669.60/x
  3. Step 3: Cross multiply
    82,254.80x = 123,382.20 × 29,669.60
  4. Step 4: Simplify right side
    82,254.80x = 3,660,700,521.12
  5. Step 5: Solve for x
    x = 3,660,700,521.12/82,254.80
  6. Step 6: Final answer
    x = 44,504.40

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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.