Home / 54,889.71-75,748.11-29,739.21

Finding the Fourth Proportional to 54,889.71, 75,748.11 and 29,739.21

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Solution

The fourth proportional to 54,889.71, 75,748.11 and 29,739.21 is: 41,040.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,889.71 : 75,748.11 = 29,739.21 : x
  2. Step 2: Convert to fraction form
    54,889.71/75,748.11 = 29,739.21/x
  3. Step 3: Cross multiply
    54,889.71x = 75,748.11 × 29,739.21
  4. Step 4: Simplify right side
    54,889.71x = 2,252,688,950.39
  5. Step 5: Solve for x
    x = 2,252,688,950.39/54,889.71
  6. Step 6: Final answer
    x = 41,040.28

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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.