Home / 117,332.28-161,940.87-69,611.94

Finding the Fourth Proportional to 117,332.28, 161,940.87 and 69,611.94

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Solution

The fourth proportional to 117,332.28, 161,940.87 and 69,611.94 is: 96,077.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,332.28 : 161,940.87 = 69,611.94 : x
  2. Step 2: Convert to fraction form
    117,332.28/161,940.87 = 69,611.94/x
  3. Step 3: Cross multiply
    117,332.28x = 161,940.87 × 69,611.94
  4. Step 4: Simplify right side
    117,332.28x = 11,273,018,125.99
  5. Step 5: Solve for x
    x = 11,273,018,125.99/117,332.28
  6. Step 6: Final answer
    x = 96,077.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.