Home / 117,629.93-176,345.69-51,019.88

Finding the Fourth Proportional to 117,629.93, 176,345.69 and 51,019.88

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Solution

The fourth proportional to 117,629.93, 176,345.69 and 51,019.88 is: 76,486.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,629.93 : 176,345.69 = 51,019.88 : x
  2. Step 2: Convert to fraction form
    117,629.93/176,345.69 = 51,019.88/x
  3. Step 3: Cross multiply
    117,629.93x = 176,345.69 × 51,019.88
  4. Step 4: Simplify right side
    117,629.93x = 8,997,134,805.49
  5. Step 5: Solve for x
    x = 8,997,134,805.49/117,629.93
  6. Step 6: Final answer
    x = 76,486.79

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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.