Home / 117,629.56-176,345.16-51,019.54

Finding the Fourth Proportional to 117,629.56, 176,345.16 and 51,019.54

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Solution

The fourth proportional to 117,629.56, 176,345.16 and 51,019.54 is: 76,486.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,629.56 : 176,345.16 = 51,019.54 : x
  2. Step 2: Convert to fraction form
    117,629.56/176,345.16 = 51,019.54/x
  3. Step 3: Cross multiply
    117,629.56x = 176,345.16 × 51,019.54
  4. Step 4: Simplify right side
    117,629.56x = 8,997,048,312.24
  5. Step 5: Solve for x
    x = 8,997,048,312.24/117,629.56
  6. Step 6: Final answer
    x = 76,486.29

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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.