Home / 109,901.81-164,737.80-50,776.27

Finding the Fourth Proportional to 109,901.81, 164,737.80 and 50,776.27

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Solution

The fourth proportional to 109,901.81, 164,737.80 and 50,776.27 is: 76,111.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,901.81 : 164,737.80 = 50,776.27 : x
  2. Step 2: Convert to fraction form
    109,901.81/164,737.80 = 50,776.27/x
  3. Step 3: Cross multiply
    109,901.81x = 164,737.80 × 50,776.27
  4. Step 4: Simplify right side
    109,901.81x = 8,364,770,600.16
  5. Step 5: Solve for x
    x = 8,364,770,600.16/109,901.81
  6. Step 6: Final answer
    x = 76,111.31

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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.