Home / 55,744.08-76,926.88-31,871.25

Finding the Fourth Proportional to 55,744.08, 76,926.88 and 31,871.25

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Solution

The fourth proportional to 55,744.08, 76,926.88 and 31,871.25 is: 43,982.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,744.08 : 76,926.88 = 31,871.25 : x
  2. Step 2: Convert to fraction form
    55,744.08/76,926.88 = 31,871.25/x
  3. Step 3: Cross multiply
    55,744.08x = 76,926.88 × 31,871.25
  4. Step 4: Simplify right side
    55,744.08x = 2,451,756,152.51
  5. Step 5: Solve for x
    x = 2,451,756,152.51/55,744.08
  6. Step 6: Final answer
    x = 43,982.36

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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.