Home / 47,797.56-65,977.04-28,934.69

Finding the Fourth Proportional to 47,797.56, 65,977.04 and 28,934.69

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Solution

The fourth proportional to 47,797.56, 65,977.04 and 28,934.69 is: 39,939.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,797.56 : 65,977.04 = 28,934.69 : x
  2. Step 2: Convert to fraction form
    47,797.56/65,977.04 = 28,934.69/x
  3. Step 3: Cross multiply
    47,797.56x = 65,977.04 × 28,934.69
  4. Step 4: Simplify right side
    47,797.56x = 1,909,025,199.52
  5. Step 5: Solve for x
    x = 1,909,025,199.52/47,797.56
  6. Step 6: Final answer
    x = 39,939.80

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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.