Home / 54,905.91-75,782.58-31,046.46

Finding the Fourth Proportional to 54,905.91, 75,782.58 and 31,046.46

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Solution

The fourth proportional to 54,905.91, 75,782.58 and 31,046.46 is: 42,851.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,905.91 : 75,782.58 = 31,046.46 : x
  2. Step 2: Convert to fraction form
    54,905.91/75,782.58 = 31,046.46/x
  3. Step 3: Cross multiply
    54,905.91x = 75,782.58 × 31,046.46
  4. Step 4: Simplify right side
    54,905.91x = 2,352,780,838.67
  5. Step 5: Solve for x
    x = 2,352,780,838.67/54,905.91
  6. Step 6: Final answer
    x = 42,851.14

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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.