Home / 109,982.60-164,957.70-31,104.80

Finding the Fourth Proportional to 109,982.60, 164,957.70 and 31,104.80

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Solution

The fourth proportional to 109,982.60, 164,957.70 and 31,104.80 is: 46,652.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,982.60 : 164,957.70 = 31,104.80 : x
  2. Step 2: Convert to fraction form
    109,982.60/164,957.70 = 31,104.80/x
  3. Step 3: Cross multiply
    109,982.60x = 164,957.70 × 31,104.80
  4. Step 4: Simplify right side
    109,982.60x = 5,130,976,266.96
  5. Step 5: Solve for x
    x = 5,130,976,266.96/109,982.60
  6. Step 6: Final answer
    x = 46,652.62

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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.