Home / 82,174.18-123,279.72-26,017.64

Finding the Fourth Proportional to 82,174.18, 123,279.72 and 26,017.64

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Solution

The fourth proportional to 82,174.18, 123,279.72 and 26,017.64 is: 39,032.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,174.18 : 123,279.72 = 26,017.64 : x
  2. Step 2: Convert to fraction form
    82,174.18/123,279.72 = 26,017.64/x
  3. Step 3: Cross multiply
    82,174.18x = 123,279.72 × 26,017.64
  4. Step 4: Simplify right side
    82,174.18x = 3,207,447,374.26
  5. Step 5: Solve for x
    x = 3,207,447,374.26/82,174.18
  6. Step 6: Final answer
    x = 39,032.30

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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.