Home / 117,629.12-176,344.50-51,019.10

Finding the Fourth Proportional to 117,629.12, 176,344.50 and 51,019.10

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Solution

The fourth proportional to 117,629.12, 176,344.50 and 51,019.10 is: 76,485.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,629.12 : 176,344.50 = 51,019.10 : x
  2. Step 2: Convert to fraction form
    117,629.12/176,344.50 = 51,019.10/x
  3. Step 3: Cross multiply
    117,629.12x = 176,344.50 × 51,019.10
  4. Step 4: Simplify right side
    117,629.12x = 8,996,937,679.95
  5. Step 5: Solve for x
    x = 8,996,937,679.95/117,629.12
  6. Step 6: Final answer
    x = 76,485.63

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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.