Home / 47,129.57-65,039.01-25,910.20

Finding the Fourth Proportional to 47,129.57, 65,039.01 and 25,910.20

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Solution

The fourth proportional to 47,129.57, 65,039.01 and 25,910.20 is: 35,756.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,129.57 : 65,039.01 = 25,910.20 : x
  2. Step 2: Convert to fraction form
    47,129.57/65,039.01 = 25,910.20/x
  3. Step 3: Cross multiply
    47,129.57x = 65,039.01 × 25,910.20
  4. Step 4: Simplify right side
    47,129.57x = 1,685,173,756.90
  5. Step 5: Solve for x
    x = 1,685,173,756.90/47,129.57
  6. Step 6: Final answer
    x = 35,756.19

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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.