Home / 54,815.13-75,644.96-29,664.63

Finding the Fourth Proportional to 54,815.13, 75,644.96 and 29,664.63

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Solution

The fourth proportional to 54,815.13, 75,644.96 and 29,664.63 is: 40,937.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,815.13 : 75,644.96 = 29,664.63 : x
  2. Step 2: Convert to fraction form
    54,815.13/75,644.96 = 29,664.63/x
  3. Step 3: Cross multiply
    54,815.13x = 75,644.96 × 29,664.63
  4. Step 4: Simplify right side
    54,815.13x = 2,243,979,601.44
  5. Step 5: Solve for x
    x = 2,243,979,601.44/54,815.13
  6. Step 6: Final answer
    x = 40,937.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.