Home / 97,747.10-134,891.43-55,313.90

Finding the Fourth Proportional to 97,747.10, 134,891.43 and 55,313.90

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Solution

The fourth proportional to 97,747.10, 134,891.43 and 55,313.90 is: 76,333.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,747.10 : 134,891.43 = 55,313.90 : x
  2. Step 2: Convert to fraction form
    97,747.10/134,891.43 = 55,313.90/x
  3. Step 3: Cross multiply
    97,747.10x = 134,891.43 × 55,313.90
  4. Step 4: Simplify right side
    97,747.10x = 7,461,371,069.88
  5. Step 5: Solve for x
    x = 7,461,371,069.88/97,747.10
  6. Step 6: Final answer
    x = 76,333.43

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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.