Home / 123,612.28-170,583.30-67,022.44

Finding the Fourth Proportional to 123,612.28, 170,583.30 and 67,022.44

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Solution

The fourth proportional to 123,612.28, 170,583.30 and 67,022.44 is: 92,490.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,612.28 : 170,583.30 = 67,022.44 : x
  2. Step 2: Convert to fraction form
    123,612.28/170,583.30 = 67,022.44/x
  3. Step 3: Cross multiply
    123,612.28x = 170,583.30 × 67,022.44
  4. Step 4: Simplify right side
    123,612.28x = 11,432,908,989.25
  5. Step 5: Solve for x
    x = 11,432,908,989.25/123,612.28
  6. Step 6: Final answer
    x = 92,490.07

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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.