Home / 83,767.76-125,658.48-31,164.56

Finding the Fourth Proportional to 83,767.76, 125,658.48 and 31,164.56

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Solution

The fourth proportional to 83,767.76, 125,658.48 and 31,164.56 is: 46,749.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,767.76 : 125,658.48 = 31,164.56 : x
  2. Step 2: Convert to fraction form
    83,767.76/125,658.48 = 31,164.56/x
  3. Step 3: Cross multiply
    83,767.76x = 125,658.48 × 31,164.56
  4. Step 4: Simplify right side
    83,767.76x = 3,916,091,239.47
  5. Step 5: Solve for x
    x = 3,916,091,239.47/83,767.76
  6. Step 6: Final answer
    x = 46,749.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.