Home / 117,628.80-176,344.00-51,018.75

Finding the Fourth Proportional to 117,628.80, 176,344.00 and 51,018.75

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Solution

The fourth proportional to 117,628.80, 176,344.00 and 51,018.75 is: 76,485.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,628.80 : 176,344.00 = 51,018.75 : x
  2. Step 2: Convert to fraction form
    117,628.80/176,344.00 = 51,018.75/x
  3. Step 3: Cross multiply
    117,628.80x = 176,344.00 × 51,018.75
  4. Step 4: Simplify right side
    117,628.80x = 8,996,850,322.45
  5. Step 5: Solve for x
    x = 8,996,850,322.45/117,628.80
  6. Step 6: Final answer
    x = 76,485.10

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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.