Home / 112,939.24-169,428.30-60,334.60

Finding the Fourth Proportional to 112,939.24, 169,428.30 and 60,334.60

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Solution

The fourth proportional to 112,939.24, 169,428.30 and 60,334.60 is: 90,512.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,939.24 : 169,428.30 = 60,334.60 : x
  2. Step 2: Convert to fraction form
    112,939.24/169,428.30 = 60,334.60/x
  3. Step 3: Cross multiply
    112,939.24x = 169,428.30 × 60,334.60
  4. Step 4: Simplify right side
    112,939.24x = 10,222,388,709.18
  5. Step 5: Solve for x
    x = 10,222,388,709.18/112,939.24
  6. Step 6: Final answer
    x = 90,512.29

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1.5x scale

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.