Home / 82,054.96-123,082.40-19,725.44

Finding the Fourth Proportional to 82,054.96, 123,082.40 and 19,725.44

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Solution

The fourth proportional to 82,054.96, 123,082.40 and 19,725.44 is: 29,588.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,054.96 : 123,082.40 = 19,725.44 : x
  2. Step 2: Convert to fraction form
    82,054.96/123,082.40 = 19,725.44/x
  3. Step 3: Cross multiply
    82,054.96x = 123,082.40 × 19,725.44
  4. Step 4: Simplify right side
    82,054.96x = 2,427,854,496.26
  5. Step 5: Solve for x
    x = 2,427,854,496.26/82,054.96
  6. Step 6: Final answer
    x = 29,588.15

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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.