Home / 82,590.18-123,893.49-26,416.20

Finding the Fourth Proportional to 82,590.18, 123,893.49 and 26,416.20

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Solution

The fourth proportional to 82,590.18, 123,893.49 and 26,416.20 is: 39,626.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,590.18 : 123,893.49 = 26,416.20 : x
  2. Step 2: Convert to fraction form
    82,590.18/123,893.49 = 26,416.20/x
  3. Step 3: Cross multiply
    82,590.18x = 123,893.49 × 26,416.20
  4. Step 4: Simplify right side
    82,590.18x = 3,272,795,210.54
  5. Step 5: Solve for x
    x = 3,272,795,210.54/82,590.18
  6. Step 6: Final answer
    x = 39,626.93

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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.