Home / 109,877.37-164,840.91-35,001.78

Finding the Fourth Proportional to 109,877.37, 164,840.91 and 35,001.78

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Solution

The fourth proportional to 109,877.37, 164,840.91 and 35,001.78 is: 52,510.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,877.37 : 164,840.91 = 35,001.78 : x
  2. Step 2: Convert to fraction form
    109,877.37/164,840.91 = 35,001.78/x
  3. Step 3: Cross multiply
    109,877.37x = 164,840.91 × 35,001.78
  4. Step 4: Simplify right side
    109,877.37x = 5,769,724,517.41
  5. Step 5: Solve for x
    x = 5,769,724,517.41/109,877.37
  6. Step 6: Final answer
    x = 52,510.58

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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.