Home / 47,130.64-65,037.78-25,905.82

Finding the Fourth Proportional to 47,130.64, 65,037.78 and 25,905.82

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Solution

The fourth proportional to 47,130.64, 65,037.78 and 25,905.82 is: 35,748.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,130.64 : 65,037.78 = 25,905.82 : x
  2. Step 2: Convert to fraction form
    47,130.64/65,037.78 = 25,905.82/x
  3. Step 3: Cross multiply
    47,130.64x = 65,037.78 × 25,905.82
  4. Step 4: Simplify right side
    47,130.64x = 1,684,857,021.88
  5. Step 5: Solve for x
    x = 1,684,857,021.88/47,130.64
  6. Step 6: Final answer
    x = 35,748.66

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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.