Home / 55,741.67-76,901.61-31,855.53

Finding the Fourth Proportional to 55,741.67, 76,901.61 and 31,855.53

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Solution

The fourth proportional to 55,741.67, 76,901.61 and 31,855.53 is: 43,948.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,741.67 : 76,901.61 = 31,855.53 : x
  2. Step 2: Convert to fraction form
    55,741.67/76,901.61 = 31,855.53/x
  3. Step 3: Cross multiply
    55,741.67x = 76,901.61 × 31,855.53
  4. Step 4: Simplify right side
    55,741.67x = 2,449,741,544.40
  5. Step 5: Solve for x
    x = 2,449,741,544.40/55,741.67
  6. Step 6: Final answer
    x = 43,948.12

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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.