Home / 55,930.47-77,166.64-31,727.43

Finding the Fourth Proportional to 55,930.47, 77,166.64 and 31,727.43

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Solution

The fourth proportional to 55,930.47, 77,166.64 and 31,727.43 is: 43,773.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,930.47 : 77,166.64 = 31,727.43 : x
  2. Step 2: Convert to fraction form
    55,930.47/77,166.64 = 31,727.43/x
  3. Step 3: Cross multiply
    55,930.47x = 77,166.64 × 31,727.43
  4. Step 4: Simplify right side
    55,930.47x = 2,448,299,089.62
  5. Step 5: Solve for x
    x = 2,448,299,089.62/55,930.47
  6. Step 6: Final answer
    x = 43,773.98

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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.