Home / 117,428.32-176,100-49,964.86

Finding the Fourth Proportional to 117,428.32, 176,100 and 49,964.86

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Solution

The fourth proportional to 117,428.32, 176,100 and 49,964.86 is: 74,929.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,428.32 : 176,100 = 49,964.86 : x
  2. Step 2: Convert to fraction form
    117,428.32/176,100 = 49,964.86/x
  3. Step 3: Cross multiply
    117,428.32x = 176,100 × 49,964.86
  4. Step 4: Simplify right side
    117,428.32x = 8,798,811,846
  5. Step 5: Solve for x
    x = 8,798,811,846/117,428.32
  6. Step 6: Final answer
    x = 74,929.22

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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.