Home / 81,176.04-112,022.60-45,366.04

Finding the Fourth Proportional to 81,176.04, 112,022.60 and 45,366.04

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Solution

The fourth proportional to 81,176.04, 112,022.60 and 45,366.04 is: 62,604.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,176.04 : 112,022.60 = 45,366.04 : x
  2. Step 2: Convert to fraction form
    81,176.04/112,022.60 = 45,366.04/x
  3. Step 3: Cross multiply
    81,176.04x = 112,022.60 × 45,366.04
  4. Step 4: Simplify right side
    81,176.04x = 5,082,021,665.70
  5. Step 5: Solve for x
    x = 5,082,021,665.70/81,176.04
  6. Step 6: Final answer
    x = 62,604.95

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1.5x scale

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.