Home / 112,680.24-155,487.96-67,349.22

Finding the Fourth Proportional to 112,680.24, 155,487.96 and 67,349.22

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Solution

The fourth proportional to 112,680.24, 155,487.96 and 67,349.22 is: 92,935.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,680.24 : 155,487.96 = 67,349.22 : x
  2. Step 2: Convert to fraction form
    112,680.24/155,487.96 = 67,349.22/x
  3. Step 3: Cross multiply
    112,680.24x = 155,487.96 × 67,349.22
  4. Step 4: Simplify right side
    112,680.24x = 10,471,992,825.39
  5. Step 5: Solve for x
    x = 10,471,992,825.39/112,680.24
  6. Step 6: Final answer
    x = 92,935.49

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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.