Home / 55,926.88-77,178.66-31,732.48

Finding the Fourth Proportional to 55,926.88, 77,178.66 and 31,732.48

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Solution

The fourth proportional to 55,926.88, 77,178.66 and 31,732.48 is: 43,790.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,926.88 : 77,178.66 = 31,732.48 : x
  2. Step 2: Convert to fraction form
    55,926.88/77,178.66 = 31,732.48/x
  3. Step 3: Cross multiply
    55,926.88x = 77,178.66 × 31,732.48
  4. Step 4: Simplify right side
    55,926.88x = 2,449,070,284.88
  5. Step 5: Solve for x
    x = 2,449,070,284.88/55,926.88
  6. Step 6: Final answer
    x = 43,790.58

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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.