Home / 97,784.28-134,911.44-67,571.28

Finding the Fourth Proportional to 97,784.28, 134,911.44 and 67,571.28

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Solution

The fourth proportional to 97,784.28, 134,911.44 and 67,571.28 is: 93,227.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,784.28 : 134,911.44 = 67,571.28 : x
  2. Step 2: Convert to fraction form
    97,784.28/134,911.44 = 67,571.28/x
  3. Step 3: Cross multiply
    97,784.28x = 134,911.44 × 67,571.28
  4. Step 4: Simplify right side
    97,784.28x = 9,116,138,687.44
  5. Step 5: Solve for x
    x = 9,116,138,687.44/97,784.28
  6. Step 6: Final answer
    x = 93,227.04

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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.