Home / 54,714.46-81,989.58-42,215.74

Finding the Fourth Proportional to 54,714.46, 81,989.58 and 42,215.74

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Solution

The fourth proportional to 54,714.46, 81,989.58 and 42,215.74 is: 63,260.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,714.46 : 81,989.58 = 42,215.74 : x
  2. Step 2: Convert to fraction form
    54,714.46/81,989.58 = 42,215.74/x
  3. Step 3: Cross multiply
    54,714.46x = 81,989.58 × 42,215.74
  4. Step 4: Simplify right side
    54,714.46x = 3,461,250,791.99
  5. Step 5: Solve for x
    x = 3,461,250,791.99/54,714.46
  6. Step 6: Final answer
    x = 63,260.26

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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.