Home / 51,761.53-71,429.25-29,101.48

Finding the Fourth Proportional to 51,761.53, 71,429.25 and 29,101.48

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Solution

The fourth proportional to 51,761.53, 71,429.25 and 29,101.48 is: 40,159.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,761.53 : 71,429.25 = 29,101.48 : x
  2. Step 2: Convert to fraction form
    51,761.53/71,429.25 = 29,101.48/x
  3. Step 3: Cross multiply
    51,761.53x = 71,429.25 × 29,101.48
  4. Step 4: Simplify right side
    51,761.53x = 2,078,696,533.14
  5. Step 5: Solve for x
    x = 2,078,696,533.14/51,761.53
  6. Step 6: Final answer
    x = 40,159.11

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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.