Home / 119,037.56-164,296.14-68,729.72

Finding the Fourth Proportional to 119,037.56, 164,296.14 and 68,729.72

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Solution

The fourth proportional to 119,037.56, 164,296.14 and 68,729.72 is: 94,861.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,037.56 : 164,296.14 = 68,729.72 : x
  2. Step 2: Convert to fraction form
    119,037.56/164,296.14 = 68,729.72/x
  3. Step 3: Cross multiply
    119,037.56x = 164,296.14 × 68,729.72
  4. Step 4: Simplify right side
    119,037.56x = 11,292,027,699.28
  5. Step 5: Solve for x
    x = 11,292,027,699.28/119,037.56
  6. Step 6: Final answer
    x = 94,861.05

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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.