Home / 89,127.56-122,984.36-53,304.50

Finding the Fourth Proportional to 89,127.56, 122,984.36 and 53,304.50

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Solution

The fourth proportional to 89,127.56, 122,984.36 and 53,304.50 is: 73,553.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,127.56 : 122,984.36 = 53,304.50 : x
  2. Step 2: Convert to fraction form
    89,127.56/122,984.36 = 53,304.50/x
  3. Step 3: Cross multiply
    89,127.56x = 122,984.36 × 53,304.50
  4. Step 4: Simplify right side
    89,127.56x = 6,555,619,817.62
  5. Step 5: Solve for x
    x = 6,555,619,817.62/89,127.56
  6. Step 6: Final answer
    x = 73,553.23

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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.