Home / 47,716.75-65,855.19-28,854.01

Finding the Fourth Proportional to 47,716.75, 65,855.19 and 28,854.01

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Solution

The fourth proportional to 47,716.75, 65,855.19 and 28,854.01 is: 39,822.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,716.75 : 65,855.19 = 28,854.01 : x
  2. Step 2: Convert to fraction form
    47,716.75/65,855.19 = 28,854.01/x
  3. Step 3: Cross multiply
    47,716.75x = 65,855.19 × 28,854.01
  4. Step 4: Simplify right side
    47,716.75x = 1,900,186,310.81
  5. Step 5: Solve for x
    x = 1,900,186,310.81/47,716.75
  6. Step 6: Final answer
    x = 39,822.21

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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.