Home / 54,967.10-82,457.22-19,421.06

Finding the Fourth Proportional to 54,967.10, 82,457.22 and 19,421.06

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Solution

The fourth proportional to 54,967.10, 82,457.22 and 19,421.06 is: 29,133.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,967.10 : 82,457.22 = 19,421.06 : x
  2. Step 2: Convert to fraction form
    54,967.10/82,457.22 = 19,421.06/x
  3. Step 3: Cross multiply
    54,967.10x = 82,457.22 × 19,421.06
  4. Step 4: Simplify right side
    54,967.10x = 1,601,406,617.05
  5. Step 5: Solve for x
    x = 1,601,406,617.05/54,967.10
  6. Step 6: Final answer
    x = 29,133.91

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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.