Home / 112,022.18-154,583.39-66,703.49

Finding the Fourth Proportional to 112,022.18, 154,583.39 and 66,703.49

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Solution

The fourth proportional to 112,022.18, 154,583.39 and 66,703.49 is: 92,046.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,022.18 : 154,583.39 = 66,703.49 : x
  2. Step 2: Convert to fraction form
    112,022.18/154,583.39 = 66,703.49/x
  3. Step 3: Cross multiply
    112,022.18x = 154,583.39 × 66,703.49
  4. Step 4: Simplify right side
    112,022.18x = 10,311,250,502.60
  5. Step 5: Solve for x
    x = 10,311,250,502.60/112,022.18
  6. Step 6: Final answer
    x = 92,046.51

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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.