Home / 116,082.08-174,123.12-76,629.95

Finding the Fourth Proportional to 116,082.08, 174,123.12 and 76,629.95

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Solution

The fourth proportional to 116,082.08, 174,123.12 and 76,629.95 is: 114,944.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,082.08 : 174,123.12 = 76,629.95 : x
  2. Step 2: Convert to fraction form
    116,082.08/174,123.12 = 76,629.95/x
  3. Step 3: Cross multiply
    116,082.08x = 174,123.12 × 76,629.95
  4. Step 4: Simplify right side
    116,082.08x = 13,343,045,979.44
  5. Step 5: Solve for x
    x = 13,343,045,979.44/116,082.08
  6. Step 6: Final answer
    x = 114,944.93

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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.