Home / 109,836.56-164,695.80-34,936.40

Finding the Fourth Proportional to 109,836.56, 164,695.80 and 34,936.40

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Solution

The fourth proportional to 109,836.56, 164,695.80 and 34,936.40 is: 52,385.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,836.56 : 164,695.80 = 34,936.40 : x
  2. Step 2: Convert to fraction form
    109,836.56/164,695.80 = 34,936.40/x
  3. Step 3: Cross multiply
    109,836.56x = 164,695.80 × 34,936.40
  4. Step 4: Simplify right side
    109,836.56x = 5,753,878,347.12
  5. Step 5: Solve for x
    x = 5,753,878,347.12/109,836.56
  6. Step 6: Final answer
    x = 52,385.82

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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.