Home / 117,639.90-176,360.58-51,029.88

Finding the Fourth Proportional to 117,639.90, 176,360.58 and 51,029.88

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Solution

The fourth proportional to 117,639.90, 176,360.58 and 51,029.88 is: 76,501.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,639.90 : 176,360.58 = 51,029.88 : x
  2. Step 2: Convert to fraction form
    117,639.90/176,360.58 = 51,029.88/x
  3. Step 3: Cross multiply
    117,639.90x = 176,360.58 × 51,029.88
  4. Step 4: Simplify right side
    117,639.90x = 8,999,659,234.13
  5. Step 5: Solve for x
    x = 8,999,659,234.13/117,639.90
  6. Step 6: Final answer
    x = 76,501.76

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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.