Home / 92,821.28-128,086.92-52,534.04

Finding the Fourth Proportional to 92,821.28, 128,086.92 and 52,534.04

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Solution

The fourth proportional to 92,821.28, 128,086.92 and 52,534.04 is: 72,493.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,821.28 : 128,086.92 = 52,534.04 : x
  2. Step 2: Convert to fraction form
    92,821.28/128,086.92 = 52,534.04/x
  3. Step 3: Cross multiply
    92,821.28x = 128,086.92 × 52,534.04
  4. Step 4: Simplify right side
    92,821.28x = 6,728,922,738.32
  5. Step 5: Solve for x
    x = 6,728,922,738.32/92,821.28
  6. Step 6: Final answer
    x = 72,493.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.