Home / 47,709.41-65,845.10-28,846.53

Finding the Fourth Proportional to 47,709.41, 65,845.10 and 28,846.53

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Solution

The fourth proportional to 47,709.41, 65,845.10 and 28,846.53 is: 39,811.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,709.41 : 65,845.10 = 28,846.53 : x
  2. Step 2: Convert to fraction form
    47,709.41/65,845.10 = 28,846.53/x
  3. Step 3: Cross multiply
    47,709.41x = 65,845.10 × 28,846.53
  4. Step 4: Simplify right side
    47,709.41x = 1,899,402,724.62
  5. Step 5: Solve for x
    x = 1,899,402,724.62/47,709.41
  6. Step 6: Final answer
    x = 39,811.91

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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.