Home / 109,316.94-150,863.86-66,883.68

Finding the Fourth Proportional to 109,316.94, 150,863.86 and 66,883.68

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Solution

The fourth proportional to 109,316.94, 150,863.86 and 66,883.68 is: 92,303.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,316.94 : 150,863.86 = 66,883.68 : x
  2. Step 2: Convert to fraction form
    109,316.94/150,863.86 = 66,883.68/x
  3. Step 3: Cross multiply
    109,316.94x = 150,863.86 × 66,883.68
  4. Step 4: Simplify right side
    109,316.94x = 10,090,330,135.80
  5. Step 5: Solve for x
    x = 10,090,330,135.80/109,316.94
  6. Step 6: Final answer
    x = 92,303.44

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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.