Home / 47,673.24-65,781.76-28,548.54

Finding the Fourth Proportional to 47,673.24, 65,781.76 and 28,548.54

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Solution

The fourth proportional to 47,673.24, 65,781.76 and 28,548.54 is: 39,392.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,673.24 : 65,781.76 = 28,548.54 : x
  2. Step 2: Convert to fraction form
    47,673.24/65,781.76 = 28,548.54/x
  3. Step 3: Cross multiply
    47,673.24x = 65,781.76 × 28,548.54
  4. Step 4: Simplify right side
    47,673.24x = 1,877,973,206.63
  5. Step 5: Solve for x
    x = 1,877,973,206.63/47,673.24
  6. Step 6: Final answer
    x = 39,392.61

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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.