Home / 82,269.90-123,416.92-26,091.28

Finding the Fourth Proportional to 82,269.90, 123,416.92 and 26,091.28

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Solution

The fourth proportional to 82,269.90, 123,416.92 and 26,091.28 is: 39,140.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,269.90 : 123,416.92 = 26,091.28 : x
  2. Step 2: Convert to fraction form
    82,269.90/123,416.92 = 26,091.28/x
  3. Step 3: Cross multiply
    82,269.90x = 123,416.92 × 26,091.28
  4. Step 4: Simplify right side
    82,269.90x = 3,220,105,416.46
  5. Step 5: Solve for x
    x = 3,220,105,416.46/82,269.90
  6. Step 6: Final answer
    x = 39,140.75

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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.