Home / 109,102.60-163,703.58-52,912.36

Finding the Fourth Proportional to 109,102.60, 163,703.58 and 52,912.36

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Solution

The fourth proportional to 109,102.60, 163,703.58 and 52,912.36 is: 79,392.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,102.60 : 163,703.58 = 52,912.36 : x
  2. Step 2: Convert to fraction form
    109,102.60/163,703.58 = 52,912.36/x
  3. Step 3: Cross multiply
    109,102.60x = 163,703.58 × 52,912.36
  4. Step 4: Simplify right side
    109,102.60x = 8,661,942,758.25
  5. Step 5: Solve for x
    x = 8,661,942,758.25/109,102.60
  6. Step 6: Final answer
    x = 79,392.63

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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.