Home / 109,905.88-164,864.60-31,026.28

Finding the Fourth Proportional to 109,905.88, 164,864.60 and 31,026.28

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Solution

The fourth proportional to 109,905.88, 164,864.60 and 31,026.28 is: 46,541.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,905.88 : 164,864.60 = 31,026.28 : x
  2. Step 2: Convert to fraction form
    109,905.88/164,864.60 = 31,026.28/x
  3. Step 3: Cross multiply
    109,905.88x = 164,864.60 × 31,026.28
  4. Step 4: Simplify right side
    109,905.88x = 5,115,135,241.69
  5. Step 5: Solve for x
    x = 5,115,135,241.69/109,905.88
  6. Step 6: Final answer
    x = 46,541.05

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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.