Home / 45,286.23-67,929.30-29,700.21

Finding the Fourth Proportional to 45,286.23, 67,929.30 and 29,700.21

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Solution

The fourth proportional to 45,286.23, 67,929.30 and 29,700.21 is: 44,550.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,286.23 : 67,929.30 = 29,700.21 : x
  2. Step 2: Convert to fraction form
    45,286.23/67,929.30 = 29,700.21/x
  3. Step 3: Cross multiply
    45,286.23x = 67,929.30 × 29,700.21
  4. Step 4: Simplify right side
    45,286.23x = 2,017,514,475.15
  5. Step 5: Solve for x
    x = 2,017,514,475.15/45,286.23
  6. Step 6: Final answer
    x = 44,550.29

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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.