Home / 53,645.31-74,029.41-29,770.56

Finding the Fourth Proportional to 53,645.31, 74,029.41 and 29,770.56

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Solution

The fourth proportional to 53,645.31, 74,029.41 and 29,770.56 is: 41,082.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,645.31 : 74,029.41 = 29,770.56 : x
  2. Step 2: Convert to fraction form
    53,645.31/74,029.41 = 29,770.56/x
  3. Step 3: Cross multiply
    53,645.31x = 74,029.41 × 29,770.56
  4. Step 4: Simplify right side
    53,645.31x = 2,203,896,992.17
  5. Step 5: Solve for x
    x = 2,203,896,992.17/53,645.31
  6. Step 6: Final answer
    x = 41,082.75

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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.