Home / 47,742.60-65,857.37-29,806.46

Finding the Fourth Proportional to 47,742.60, 65,857.37 and 29,806.46

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Solution

The fourth proportional to 47,742.60, 65,857.37 and 29,806.46 is: 41,115.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,742.60 : 65,857.37 = 29,806.46 : x
  2. Step 2: Convert to fraction form
    47,742.60/65,857.37 = 29,806.46/x
  3. Step 3: Cross multiply
    47,742.60x = 65,857.37 × 29,806.46
  4. Step 4: Simplify right side
    47,742.60x = 1,962,975,080.22
  5. Step 5: Solve for x
    x = 1,962,975,080.22/47,742.60
  6. Step 6: Final answer
    x = 41,115.80

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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.