Home / 99,723.45-137,338.43-97,546.17

Finding the Fourth Proportional to 99,723.45, 137,338.43 and 97,546.17

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Solution

The fourth proportional to 99,723.45, 137,338.43 and 97,546.17 is: 134,339.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,723.45 : 137,338.43 = 97,546.17 : x
  2. Step 2: Convert to fraction form
    99,723.45/137,338.43 = 97,546.17/x
  3. Step 3: Cross multiply
    99,723.45x = 137,338.43 × 97,546.17
  4. Step 4: Simplify right side
    99,723.45x = 13,396,837,352.58
  5. Step 5: Solve for x
    x = 13,396,837,352.58/99,723.45
  6. Step 6: Final answer
    x = 134,339.89

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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.