Home / 109,947.60-164,799.90-43,365.60

Finding the Fourth Proportional to 109,947.60, 164,799.90 and 43,365.60

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Solution

The fourth proportional to 109,947.60, 164,799.90 and 43,365.60 is: 65,000.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,947.60 : 164,799.90 = 43,365.60 : x
  2. Step 2: Convert to fraction form
    109,947.60/164,799.90 = 43,365.60/x
  3. Step 3: Cross multiply
    109,947.60x = 164,799.90 × 43,365.60
  4. Step 4: Simplify right side
    109,947.60x = 7,146,646,543.44
  5. Step 5: Solve for x
    x = 7,146,646,543.44/109,947.60
  6. Step 6: Final answer
    x = 65,000.48

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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.