Home / 107,977.39-161,969.87-29,093.51

Finding the Fourth Proportional to 107,977.39, 161,969.87 and 29,093.51

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Solution

The fourth proportional to 107,977.39, 161,969.87 and 29,093.51 is: 43,641.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,977.39 : 161,969.87 = 29,093.51 : x
  2. Step 2: Convert to fraction form
    107,977.39/161,969.87 = 29,093.51/x
  3. Step 3: Cross multiply
    107,977.39x = 161,969.87 × 29,093.51
  4. Step 4: Simplify right side
    107,977.39x = 4,712,272,510.20
  5. Step 5: Solve for x
    x = 4,712,272,510.20/107,977.39
  6. Step 6: Final answer
    x = 43,641.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.