Home / 54,457.03-81,742.79-48,256.75

Finding the Fourth Proportional to 54,457.03, 81,742.79 and 48,256.75

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Solution

The fourth proportional to 54,457.03, 81,742.79 and 48,256.75 is: 72,435.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,457.03 : 81,742.79 = 48,256.75 : x
  2. Step 2: Convert to fraction form
    54,457.03/81,742.79 = 48,256.75/x
  3. Step 3: Cross multiply
    54,457.03x = 81,742.79 × 48,256.75
  4. Step 4: Simplify right side
    54,457.03x = 3,944,641,381.33
  5. Step 5: Solve for x
    x = 3,944,641,381.33/54,457.03
  6. Step 6: Final answer
    x = 72,435.85

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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.