Home / 47,130.32-65,039.64-25,910.72

Finding the Fourth Proportional to 47,130.32, 65,039.64 and 25,910.72

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Solution

The fourth proportional to 47,130.32, 65,039.64 and 25,910.72 is: 35,756.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,130.32 : 65,039.64 = 25,910.72 : x
  2. Step 2: Convert to fraction form
    47,130.32/65,039.64 = 25,910.72/x
  3. Step 3: Cross multiply
    47,130.32x = 65,039.64 × 25,910.72
  4. Step 4: Simplify right side
    47,130.32x = 1,685,223,900.94
  5. Step 5: Solve for x
    x = 1,685,223,900.94/47,130.32
  6. Step 6: Final answer
    x = 35,756.68

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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.