Home / 55,606.21-76,742.07-31,736.49

Finding the Fourth Proportional to 55,606.21, 76,742.07 and 31,736.49

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Solution

The fourth proportional to 55,606.21, 76,742.07 and 31,736.49 is: 43,799.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,606.21 : 76,742.07 = 31,736.49 : x
  2. Step 2: Convert to fraction form
    55,606.21/76,742.07 = 31,736.49/x
  3. Step 3: Cross multiply
    55,606.21x = 76,742.07 × 31,736.49
  4. Step 4: Simplify right side
    55,606.21x = 2,435,523,937.13
  5. Step 5: Solve for x
    x = 2,435,523,937.13/55,606.21
  6. Step 6: Final answer
    x = 43,799.50

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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.