Home / 82,416.58-123,618.08-26,254.42

Finding the Fourth Proportional to 82,416.58, 123,618.08 and 26,254.42

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Solution

The fourth proportional to 82,416.58, 123,618.08 and 26,254.42 is: 39,379.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,416.58 : 123,618.08 = 26,254.42 : x
  2. Step 2: Convert to fraction form
    82,416.58/123,618.08 = 26,254.42/x
  3. Step 3: Cross multiply
    82,416.58x = 123,618.08 × 26,254.42
  4. Step 4: Simplify right side
    82,416.58x = 3,245,520,748.50
  5. Step 5: Solve for x
    x = 3,245,520,748.50/82,416.58
  6. Step 6: Final answer
    x = 39,379.47

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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.