Home / 54,457.20-81,607.92-31,035.36

Finding the Fourth Proportional to 54,457.20, 81,607.92 and 31,035.36

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Solution

The fourth proportional to 54,457.20, 81,607.92 and 31,035.36 is: 46,508.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,457.20 : 81,607.92 = 31,035.36 : x
  2. Step 2: Convert to fraction form
    54,457.20/81,607.92 = 31,035.36/x
  3. Step 3: Cross multiply
    54,457.20x = 81,607.92 × 31,035.36
  4. Step 4: Simplify right side
    54,457.20x = 2,532,731,176.05
  5. Step 5: Solve for x
    x = 2,532,731,176.05/54,457.20
  6. Step 6: Final answer
    x = 46,508.66

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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.