Home / 75,983.61-113,905.75-29,201.25

Finding the Fourth Proportional to 75,983.61, 113,905.75 and 29,201.25

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Solution

The fourth proportional to 75,983.61, 113,905.75 and 29,201.25 is: 43,775.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,983.61 : 113,905.75 = 29,201.25 : x
  2. Step 2: Convert to fraction form
    75,983.61/113,905.75 = 29,201.25/x
  3. Step 3: Cross multiply
    75,983.61x = 113,905.75 × 29,201.25
  4. Step 4: Simplify right side
    75,983.61x = 3,326,190,282.19
  5. Step 5: Solve for x
    x = 3,326,190,282.19/75,983.61
  6. Step 6: Final answer
    x = 43,775.10

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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.