Home / 117,756.08-162,499.97-66,773.67

Finding the Fourth Proportional to 117,756.08, 162,499.97 and 66,773.67

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Solution

The fourth proportional to 117,756.08, 162,499.97 and 66,773.67 is: 92,145.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,756.08 : 162,499.97 = 66,773.67 : x
  2. Step 2: Convert to fraction form
    117,756.08/162,499.97 = 66,773.67/x
  3. Step 3: Cross multiply
    117,756.08x = 162,499.97 × 66,773.67
  4. Step 4: Simplify right side
    117,756.08x = 10,850,718,929.35
  5. Step 5: Solve for x
    x = 10,850,718,929.35/117,756.08
  6. Step 6: Final answer
    x = 92,145.72

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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.