Home / 114,478.77-171,660.52-67,105.16

Finding the Fourth Proportional to 114,478.77, 171,660.52 and 67,105.16

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Solution

The fourth proportional to 114,478.77, 171,660.52 and 67,105.16 is: 100,623.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,478.77 : 171,660.52 = 67,105.16 : x
  2. Step 2: Convert to fraction form
    114,478.77/171,660.52 = 67,105.16/x
  3. Step 3: Cross multiply
    114,478.77x = 171,660.52 × 67,105.16
  4. Step 4: Simplify right side
    114,478.77x = 11,519,306,152.12
  5. Step 5: Solve for x
    x = 11,519,306,152.12/114,478.77
  6. Step 6: Final answer
    x = 100,623.95

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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.