Home / 109,386.73-164,102.10-34,518.43

Finding the Fourth Proportional to 109,386.73, 164,102.10 and 34,518.43

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Solution

The fourth proportional to 109,386.73, 164,102.10 and 34,518.43 is: 51,784.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,386.73 : 164,102.10 = 34,518.43 : x
  2. Step 2: Convert to fraction form
    109,386.73/164,102.10 = 34,518.43/x
  3. Step 3: Cross multiply
    109,386.73x = 164,102.10 × 34,518.43
  4. Step 4: Simplify right side
    109,386.73x = 5,664,546,851.70
  5. Step 5: Solve for x
    x = 5,664,546,851.70/109,386.73
  6. Step 6: Final answer
    x = 51,784.59

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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.