Home / 54,272.82-81,439.47-29,312.34

Finding the Fourth Proportional to 54,272.82, 81,439.47 and 29,312.34

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Solution

The fourth proportional to 54,272.82, 81,439.47 and 29,312.34 is: 43,984.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,272.82 : 81,439.47 = 29,312.34 : x
  2. Step 2: Convert to fraction form
    54,272.82/81,439.47 = 29,312.34/x
  3. Step 3: Cross multiply
    54,272.82x = 81,439.47 × 29,312.34
  4. Step 4: Simplify right side
    54,272.82x = 2,387,181,434.06
  5. Step 5: Solve for x
    x = 2,387,181,434.06/54,272.82
  6. Step 6: Final answer
    x = 43,984.84

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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.