Home / 109,936.36-164,876.70-42,454.76

Finding the Fourth Proportional to 109,936.36, 164,876.70 and 42,454.76

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Solution

The fourth proportional to 109,936.36, 164,876.70 and 42,454.76 is: 63,671.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,936.36 : 164,876.70 = 42,454.76 : x
  2. Step 2: Convert to fraction form
    109,936.36/164,876.70 = 42,454.76/x
  3. Step 3: Cross multiply
    109,936.36x = 164,876.70 × 42,454.76
  4. Step 4: Simplify right side
    109,936.36x = 6,999,800,728.09
  5. Step 5: Solve for x
    x = 6,999,800,728.09/109,936.36
  6. Step 6: Final answer
    x = 63,671.39

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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.