Home / 55,049.74-75,968.94-31,178.62

Finding the Fourth Proportional to 55,049.74, 75,968.94 and 31,178.62

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Solution

The fourth proportional to 55,049.74, 75,968.94 and 31,178.62 is: 43,026.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,049.74 : 75,968.94 = 31,178.62 : x
  2. Step 2: Convert to fraction form
    55,049.74/75,968.94 = 31,178.62/x
  3. Step 3: Cross multiply
    55,049.74x = 75,968.94 × 31,178.62
  4. Step 4: Simplify right side
    55,049.74x = 2,368,606,712.06
  5. Step 5: Solve for x
    x = 2,368,606,712.06/55,049.74
  6. Step 6: Final answer
    x = 43,026.66

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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.