Home / 55,611.64-76,743.30-31,752.28

Finding the Fourth Proportional to 55,611.64, 76,743.30 and 31,752.28

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Solution

The fourth proportional to 55,611.64, 76,743.30 and 31,752.28 is: 43,817.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,611.64 : 76,743.30 = 31,752.28 : x
  2. Step 2: Convert to fraction form
    55,611.64/76,743.30 = 31,752.28/x
  3. Step 3: Cross multiply
    55,611.64x = 76,743.30 × 31,752.28
  4. Step 4: Simplify right side
    55,611.64x = 2,436,774,749.72
  5. Step 5: Solve for x
    x = 2,436,774,749.72/55,611.64
  6. Step 6: Final answer
    x = 43,817.71

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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.