Home / 49,588.12-68,411.82-31,678.48

Finding the Fourth Proportional to 49,588.12, 68,411.82 and 31,678.48

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Solution

The fourth proportional to 49,588.12, 68,411.82 and 31,678.48 is: 43,703.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,588.12 : 68,411.82 = 31,678.48 : x
  2. Step 2: Convert to fraction form
    49,588.12/68,411.82 = 31,678.48/x
  3. Step 3: Cross multiply
    49,588.12x = 68,411.82 × 31,678.48
  4. Step 4: Simplify right side
    49,588.12x = 2,167,182,471.63
  5. Step 5: Solve for x
    x = 2,167,182,471.63/49,588.12
  6. Step 6: Final answer
    x = 43,703.66

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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.