Home / 109,972.28-164,968.04-31,086.53

Finding the Fourth Proportional to 109,972.28, 164,968.04 and 31,086.53

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Solution

The fourth proportional to 109,972.28, 164,968.04 and 31,086.53 is: 46,632.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,972.28 : 164,968.04 = 31,086.53 : x
  2. Step 2: Convert to fraction form
    109,972.28/164,968.04 = 31,086.53/x
  3. Step 3: Cross multiply
    109,972.28x = 164,968.04 × 31,086.53
  4. Step 4: Simplify right side
    109,972.28x = 5,128,284,723.95
  5. Step 5: Solve for x
    x = 5,128,284,723.95/109,972.28
  6. Step 6: Final answer
    x = 46,632.52

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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.