Home / 109,747.32-164,608.02-43,236.60

Finding the Fourth Proportional to 109,747.32, 164,608.02 and 43,236.60

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Solution

The fourth proportional to 109,747.32, 164,608.02 and 43,236.60 is: 64,849.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,747.32 : 164,608.02 = 43,236.60 : x
  2. Step 2: Convert to fraction form
    109,747.32/164,608.02 = 43,236.60/x
  3. Step 3: Cross multiply
    109,747.32x = 164,608.02 × 43,236.60
  4. Step 4: Simplify right side
    109,747.32x = 7,117,091,117.53
  5. Step 5: Solve for x
    x = 7,117,091,117.53/109,747.32
  6. Step 6: Final answer
    x = 64,849.79

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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.