Home / 51,157.14-70,580.61-28,796.82

Finding the Fourth Proportional to 51,157.14, 70,580.61 and 28,796.82

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Solution

The fourth proportional to 51,157.14, 70,580.61 and 28,796.82 is: 39,730.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,157.14 : 70,580.61 = 28,796.82 : x
  2. Step 2: Convert to fraction form
    51,157.14/70,580.61 = 28,796.82/x
  3. Step 3: Cross multiply
    51,157.14x = 70,580.61 × 28,796.82
  4. Step 4: Simplify right side
    51,157.14x = 2,032,497,121.66
  5. Step 5: Solve for x
    x = 2,032,497,121.66/51,157.14
  6. Step 6: Final answer
    x = 39,730.47

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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.