Home / 117,629.73-176,345.41-51,019.70

Finding the Fourth Proportional to 117,629.73, 176,345.41 and 51,019.70

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Solution

The fourth proportional to 117,629.73, 176,345.41 and 51,019.70 is: 76,486.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,629.73 : 176,345.41 = 51,019.70 : x
  2. Step 2: Convert to fraction form
    117,629.73/176,345.41 = 51,019.70/x
  3. Step 3: Cross multiply
    117,629.73x = 176,345.41 × 51,019.70
  4. Step 4: Simplify right side
    117,629.73x = 8,997,088,905.30
  5. Step 5: Solve for x
    x = 8,997,088,905.30/117,629.73
  6. Step 6: Final answer
    x = 76,486.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.