Home / 99,280.78-148,932.06-43,082.26

Finding the Fourth Proportional to 99,280.78, 148,932.06 and 43,082.26

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Solution

The fourth proportional to 99,280.78, 148,932.06 and 43,082.26 is: 64,628.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,280.78 : 148,932.06 = 43,082.26 : x
  2. Step 2: Convert to fraction form
    99,280.78/148,932.06 = 43,082.26/x
  3. Step 3: Cross multiply
    99,280.78x = 148,932.06 × 43,082.26
  4. Step 4: Simplify right side
    99,280.78x = 6,416,329,731.26
  5. Step 5: Solve for x
    x = 6,416,329,731.26/99,280.78
  6. Step 6: Final answer
    x = 64,628.12

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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.