Home / 97,190.43-134,127.27-54,172.74

Finding the Fourth Proportional to 97,190.43, 134,127.27 and 54,172.74

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Solution

The fourth proportional to 97,190.43, 134,127.27 and 54,172.74 is: 74,760.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,190.43 : 134,127.27 = 54,172.74 : x
  2. Step 2: Convert to fraction form
    97,190.43/134,127.27 = 54,172.74/x
  3. Step 3: Cross multiply
    97,190.43x = 134,127.27 × 54,172.74
  4. Step 4: Simplify right side
    97,190.43x = 7,266,041,724.62
  5. Step 5: Solve for x
    x = 7,266,041,724.62/97,190.43
  6. Step 6: Final answer
    x = 74,760.88

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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.