Home / 119,059.56-164,290.22-71,311.68

Finding the Fourth Proportional to 119,059.56, 164,290.22 and 71,311.68

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Solution

The fourth proportional to 119,059.56, 164,290.22 and 71,311.68 is: 98,402.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,059.56 : 164,290.22 = 71,311.68 : x
  2. Step 2: Convert to fraction form
    119,059.56/164,290.22 = 71,311.68/x
  3. Step 3: Cross multiply
    119,059.56x = 164,290.22 × 71,311.68
  4. Step 4: Simplify right side
    119,059.56x = 11,715,811,239.21
  5. Step 5: Solve for x
    x = 11,715,811,239.21/119,059.56
  6. Step 6: Final answer
    x = 98,402.94

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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.