Home / 51,881.31-77,710.19-35,149.55

Finding the Fourth Proportional to 51,881.31, 77,710.19 and 35,149.55

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Solution

The fourth proportional to 51,881.31, 77,710.19 and 35,149.55 is: 52,648.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,881.31 : 77,710.19 = 35,149.55 : x
  2. Step 2: Convert to fraction form
    51,881.31/77,710.19 = 35,149.55/x
  3. Step 3: Cross multiply
    51,881.31x = 77,710.19 × 35,149.55
  4. Step 4: Simplify right side
    51,881.31x = 2,731,477,644.62
  5. Step 5: Solve for x
    x = 2,731,477,644.62/51,881.31
  6. Step 6: Final answer
    x = 52,648.59

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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.