Home / 55,836.72-77,053.32-31,961.88

Finding the Fourth Proportional to 55,836.72, 77,053.32 and 31,961.88

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Solution

The fourth proportional to 55,836.72, 77,053.32 and 31,961.88 is: 44,106.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,836.72 : 77,053.32 = 31,961.88 : x
  2. Step 2: Convert to fraction form
    55,836.72/77,053.32 = 31,961.88/x
  3. Step 3: Cross multiply
    55,836.72x = 77,053.32 × 31,961.88
  4. Step 4: Simplify right side
    55,836.72x = 2,462,768,967.44
  5. Step 5: Solve for x
    x = 2,462,768,967.44/55,836.72
  6. Step 6: Final answer
    x = 44,106.62

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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.