Home / 51,699.84-71,346.42-29,043.78

Finding the Fourth Proportional to 51,699.84, 71,346.42 and 29,043.78

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Solution

The fourth proportional to 51,699.84, 71,346.42 and 29,043.78 is: 40,080.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,699.84 : 71,346.42 = 29,043.78 : x
  2. Step 2: Convert to fraction form
    51,699.84/71,346.42 = 29,043.78/x
  3. Step 3: Cross multiply
    51,699.84x = 71,346.42 × 29,043.78
  4. Step 4: Simplify right side
    51,699.84x = 2,072,169,726.27
  5. Step 5: Solve for x
    x = 2,072,169,726.27/51,699.84
  6. Step 6: Final answer
    x = 40,080.78

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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.